Question

What is the exact area of a circle with a diameter of 13 inches?

Answer 1

pi(r)squared
r=radius

Answer 2

A=pi*42.25

Answer 3

So its 42.25 then?

Answer 4

Its 42.25pi

Answer 5

Which is about 132.73

Answer 6

A = Pi times r squared

d = 2r so r = 6.5

pi * 6.5^2 = 132.73

Answer 7

my options for the answers are 6.5,13,26,42.25,&
169

Answer 8

Is there a pi sign after the 42.45?

Answer 9

Yes

Answer 10

Then that is the right answer

Answer 11

Thank you so much!