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If radius of a park is 35m , then what is the circumference of the park?
Given: Radius of the park is 35m.
To do: Find the circumference of the park.
Solution:
Formula to find Circumference of circle = 2πr
To find out the circumference of circle , radius is necessary.
So, Radius = 35 m is an assumed value in video.
Substitute r = 35 in 2πr
Circumference = 2 π 35
$\displaystyle \begin{array}{{>{\displaystyle}l}} 2\ \times \frac{22}{7} \ \times \ 35\ \ \ 2\ \times \ 22\ \times \ 5\ \ =\ \ 220 \end{array}$
So, the circumference of park will be 220 m, if the radius of park is 35 m.
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