Mathematics: If a circular arc of the given length s subtends the central angle θ on a circle, find the radius of the circle. s = 5 cm, θ = 2

If a circular arc of the given length s subtends

Ответ:

trea56

05.01.2022

$\bf s=r\theta\qquad 
\begin{cases}
s=\textit{arc's length}\\
r=radius\\
\theta=\textit{central angle in radians}\\
\qquad \textit{made/subtended by the angle }\theta
\end{cases}\implies \cfrac{s}{\theta}=r$

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Ответ:

jeffcarpenter

12.09.2022

Mathematics

14.7 trees

First you need to find how many trees she cuts down to build one cabin. So you divide:

10.5/5=2.1

She cuts down 2.1 trees to make one cabin.

Next you multiply:

2.1*7=14.7

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If a circular arc of the given length s subtends the central angle θ on a circle, find the radius of the circle.
s = 5 cm, θ = 2

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