Question

The three circles in the diagram have the same center and have radii 3cm, 4cm, and 5cm.

What percentage of the area of the largest circle is shaded?

Please answer with an explanation. Thanks!

Answer 1

Answer:

28%

Step-by-step explanation:

First, you will find the area of the circle 3 squared x pi = 9pi and 4 squared x pi = 16pi and 5 squared x pi = 25pi.

Then, you do 16 pi - 9 pi = 7pi

Next, you do 7pi / 25pi = 0.28

At last times it 100% = 28%