Question

need help finding the indicated measures for the circle show. already have the answers but i want to know the steps.

Answer 1

Given:

Given that a circle, with two points

$\begin{gathered} A(5,0) \\ B(3,4) \end{gathered}$

Required:

To find, circumference, arc length, area of the circle and area of the shaded region.

Explanation:

The radius of the given circle is 5 unit.

The circumference is,

$\begin{gathered} C=2\pi r \\ =2\times\pi\times5 \\ =10\pi \end{gathered}$

Now the area of the entire circle is,

$\begin{gathered} A=\pi r^2 \\ =\pi\times5^2 \\ =25\pi \end{gathered}$