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Recent questions tagged length


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What is the length of AB?
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What is the length of AB? What is the length of AB?     ...
by Pieter Gold Status
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asked in Mathematics May 5
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\(P K\) and \(K N\) are tangents to circle centre \(M\). If \(\hat{N}_{1}=24^{\circ}\), determine the size of \(P \hat{K} N\).
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Prove that \(T P K\) is a tangent to circle centre \(O\) and radius of \(8 \mathrm{~cm}\), if \(O K=17 \mathrm{~cm}\) and \(P K=15 \mathrm{~cm} .\)

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Prove that \(T P K\) is a tangent to circle centre \(O\) and radius of \(8 \mathrm{~cm}\), if \(O K=17 \mathrm{~cm}\) and \(P K=15 \mathrm{~cm}\).

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Given circle centre \(O\) with tangent \(Z Y U\) and \(M N=F G\). If \(\hat{H}=18^{\circ}\) determine the size of \(\hat{Y}_{2}\).
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Given circle \(G H J K\) with \(G M \perp H J\) and \(G L \perp L J . \hat{G}_{3}=24^{\circ}\)
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Given circle \(G H J K\) with \(G M \perp H J\) and \(G L \perp L J . \hat{G}_{3}=24^{\circ}\) Given circle \(G H J K\) with \(G M \perp H J\) and \(G L \perp L J . \hat{G}_{3}=24^{\circ}\)   a) Is quadrilateral \(G L J M\) a cycl ...
by MathsGee Platinum
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asked in Mathematics Apr 17
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Given circle centre \(O\) with \(\hat{C}=36^{\circ}\)
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Given circle centre \(O\) with \(\hat{C}=36^{\circ}\) Given circle centre \(O\) with \(\hat{C}=36^{\circ}\)   Calculate the values of angles: \(\hat{O}_{1}, \hat{A}\) and \(\hat{B}\). ...
by MathsGee Platinum
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asked in Mathematics Apr 17
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In circle \(O\) with diameter \(A C, D C=A D\) and \(\hat{B}_{2}=56^{\circ}\). Determine the size of \(D \hat{A} B\)
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Determine the resistance of a 600 centimeters copper wire with a radius of 2 meters?

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A candle is placed at a distance of \(30 \mathrm{~cm}\) from a converging lens having a focal length of \(10 \mathrm{~cm}\).
1 answer 97 views
A candle is placed at a distance of \(30 \mathrm{~cm}\) from a converging lens having a focal length of \(10 \mathrm{~cm}\).A candle is placed at a distance of \(30 \mathrm{~cm}\) from a converging lens having a focal length of \(10 \mathrm{~cm}\). (a) At what distance fro ...
by MathsGee Platinum
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asked in Physics & Chemistry Jan 26
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True/False: Collinear vectors with the same length are equal
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True/False: Collinear vectors with the same length are equalTrue/False: Collinear vectors with the same length are equal ...
by MathsGee Platinum
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asked in Mathematics Jan 26
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What is a norm of a vector?
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What is a norm of a vector?What is a norm of a vector? ...
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asked in Mathematics Jan 26
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How do I calculate the length between two points in $R^2$ and $R^3$?
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How do I calculate the length between two points in $R^2$ and $R^3$?How do I calculate the length between two points  in $R^2$ and $R^3$? ...
by MathsGee Platinum
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asked in Mathematics Jan 26
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One year on July 1 in northern Canada I was camping and the sun set around 11 PM. A year later in Hawaii the sun set at around 7 PM.
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One year on July 1 in northern Canada I was camping and the sun set around 11 PM. A year later in Hawaii the sun set at around 7 PM.One year on July 1 in northern Canada I was camping and the sun set around 11 PM. A year later in Hawaii the sun set at around 7 PM. This led to the b ...
by MathsGee Platinum
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asked in Mathematics Jan 21
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When a metal becomes a superconductor, there is a tremendous decrease in its:
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When a metal becomes a superconductor, there is a tremendous decrease in its:When a metal becomes a superconductor, there is a tremendous decrease in its: w) total volume x) electrical resistance y) length z) density ...
by Digitized Wooden Status
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asked in Physics & Chemistry Oct 5, 2021
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The focal length of a concave spherical mirror is equal to 1 meter. What is the radius of curvature of this mirror?
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A converging thin lens has a focal length of 27 centimeters. An object is placed 9 centimeters from the lens. Where is the image of this object formed?

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The focal length of a concave mirror is 2 meters. An object is positioned 8 meters in front of the mirror. Where is the image of this object formed
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Determine the equation of the circle with centre \((2 ;-5)\) and radius \(4 .\)
1 answer 71 views
Determine the equation of the circle with centre \((2 ;-5)\) and radius \(4 .\)Determine the equation of the circle with centre \((2 ;-5)\) and radius \(4 .\) ...
by MathsGee Platinum
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asked in Mathematics Aug 31, 2021
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Determine the equation of the circle with centre \(\mathrm{B}(-4 ; 3)\) and radius \(4 .\)
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Determine the equation of the circle with centre \(\mathrm{K}(-5 ;-4)\) and radius \(5 .\)
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What is the derivative of the curve $F(t)=[\sin t, \cos t, t]$ in $\mathbf{R}^{3}$?
1 answer 156 views
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Normalize the vector $v=(1,-3,4,2)$
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Normalize the vector $v=(1,-3,4,2)$Normalize the vector $v=(1,-3,4,2)$ ...
by Maths Genie Bronze Status
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asked in Mathematics Aug 9, 2021
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What is the norm of $u=(1,-2,-4,5,3)$?
1 answer 143 views
What is the norm of $u=(1,-2,-4,5,3)$?What is the norm of $u=(1,-2,-4,5,3)$? ...
by Maths Genie Bronze Status
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asked in Mathematics Aug 9, 2021
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What is the norm of a vector?
1 answer 326 views
What is the norm of a vector?What is the norm of a vector? ...
by Maths Genie Bronze Status
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asked in Mathematics Aug 9, 2021
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How does the width of the confidence interval change with length?
1 answer 117 views
How does the width of the confidence interval change with length?How does the width of the confidence interval change with length? ...
by Pieter Gold Status
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asked in Data Science & Statistics Jul 23, 2021
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The sides of a rectangle are positive whole numbers. If its area is $A$ and its perimeter is $P$, which of the following numbers cannot equal $A+P ?$

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Using a right-angled triangle how can we derive the trigonometric identity $1+\cot ^{2} \theta=\csc ^{2} \theta$
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The measure of the angle $\angle C B D$ is:
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The measure of the angle $\angle C B D$ is:In the triangle $\triangle A B C$ measures of angles $\angle A=46^{\circ}$ and $\angle C=60^{\circ}$ are given. The angle bisector intersects the circ ...
by MathsGee Platinum
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asked in Mathematics Jun 16, 2021
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The distance of the shorter ladder form the wall is:
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The distance of the shorter ladder form the wall is:A pair of ladders whose lengths are $4.2 \mathrm{~m}$ and $5.6 \mathrm{~m}$ are leaned onto a wall such that they reach the same height. The base of t ...
by MathsGee Platinum
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asked in Mathematics Jun 16, 2021
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What is the largest rectangular area that 80m of fencing can enclose?
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What is the largest rectangular area that 80m of fencing can enclose?What is the largest rectangular area that 80m of fencing can enclose? ...
by MathsGee Platinum
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asked in Mathematics Jun 11, 2021
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A right-angled triangle has sides $a, b$ and $c$ and the angle $\theta$, as shown below.
1 answer 683 views
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A right-angled triangle has sides $a, b$ and $c$ and the angle $\theta$, as shown below. A right-angled triangle has sides $a, b$ and $c$ and the angle $\theta$, as shown below. 1. $\quad$ Write the following in terms of $a, b$ an ...
by MathsGee Platinum
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asked in Mathematics May 18, 2021
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Show that a triangle $\mathrm{ABC}$, with vertices $\mathrm{A}(1 ; 1) ; \mathrm{B}(3 ; 6)$ and $\mathrm{C}(6 ; 3)$, is an isosceles triangle.
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At what rate is the top of the ladder falling when the foot of the ladder is 4 meters from the wall?
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At what rate is the top of the ladder falling when the foot of the ladder is 4 meters from the wall?A ladder 12 meters long leans against a wall. The foot of the ladder is pulled away from the wall at the rate $\frac{1}{2} \mathrm{~m} / \mathrm{min}$ ...
by MathsGee Platinum
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asked in Mathematics May 10, 2021
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How fast is the angle between the top of the ladder and the wall changing when the angle is $\pi / 3$ radians?
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How fast is the angle between the top of the ladder and the wall changing when the angle is $\pi / 3$ radians?A ladder $15 \mathrm{ft}$ long rests against a vertical wall. Its top slides down the wall while its bottom moves away along the level ground at a spe ...
by MathsGee Platinum
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asked in Mathematics May 10, 2021
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In the diagram below, two circles intersect at $\mathrm{K}$ and $\mathrm{Y}$. The larger circle passes through $\mathrm{O}$, the centre of the smaller circle.

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In the diagram below, $\mathrm{O}$ is the centre of the circle. $\mathrm{BD}$ is a diameter of the circle.
0 answers 216 views
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In the diagram below, $\mathrm{O}$ is the centre of the circle. $\mathrm{BD}$ is a diameter of the circle. In the diagram below, $\mathrm{O}$ is the centre of the circle. $\mathrm{BD}$ is a diameter of the circle. GEH is a tangent to the circle at E. ...
by Student SIlver Status
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asked in Mathematics May 6, 2021
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