Question

A circle has a sector with area 20\pi20π20, pi and central angle of \purple{\dfrac{2}{5}\pi}

5

2

​

πstart color #9d38bd, start fraction, 2, divided by, 5, end fraction, pi, end color #9d38bd radians .

What is the area of the circle?

Either enter an exact answer in terms of \piπpi or use 3.143.143, point, 14 for \piπpi and enter your answer as a decimal.

Answer 1

Find the volume of the sphere.

Either enter an exact answer in terms of \piπpi or use \dfrac{22}{7}

7

22

​

start fraction, 22, divided by, 7, end fraction for \piπpi.

units^3

3

cubed

Explanation:

Find the volume of the sphere.

Either enter an exact answer in terms of \piπpi or use \dfrac{22}{7}

7

22

​

start fraction, 22, divided by, 7, end fraction for \piπpi.

units^3

3

cubed

Answer 2

100pi

Explanation: