Question

The radius of a quarter circle is 7 meters. What is the quarter circle's perimeter?

Use 3.14 for ​𝜋.

Answer 1

Arc length of quarter circle $=\frac{\theta}{360^0}2\pi r=\frac{90^0}{360^0} \times2\times 3.14 \times 7=10.99m$

quarter circle's perimeter $=10.99+7+7=24.99m$