Question

Can someone help pls​

Answer 1

Answer: 153.93

Explanation:

The surface area for a circle is 4πr2 and the diameter is 2xradius

So divide the diameter by 2 to get a radius = 3.5

then plug-in

3.5^2= 12.25

Ans(4) =49

49π

or

153.93*

*estimate to your desire