Question

For a circle of radius 5 feet, find the arc length s subtended by a central angle of 42 degress

Answer 1

3.66

Explanation:

Answer 2

`\bf \textit{arc's length}\\\\ s=\cfrac{\theta r\pi }{180}\quad \begin{cases} r=radius\\ \theta = angle~in\\ \qquad degrees\\ ------\\ r=5\\ \theta = 42 \end{cases}\implies s=\cfrac{42\cdot 5\cdot \pi }{180}`