Question

Estimate the length of the radius if the area of the circle is 54 ft2.
A. 17.19 ft
B. 4.15 ft
C. 8.29 ft
D. 8.60 ft

Answer 1

It's B

Answer 2

A = pi r^2
-> r = sqrt ( A/ pi)
= sqrt ( 54/ pi) = 17.19 ft

Answer 3

is it A or b?

Answer 4

It's B.

Answer 5

@chlorophyll sayd its A

Answer 6

You should show your reason, atjari :)

Answer 7

o.O now its a b or c

Answer 8

\[\pi(r)^{2}\]

Answer 9

r=4.415

Answer 10

B

Answer 11

its B?

Answer 12

thought he wait to find diameter, lol

Answer 13

yes its B

Answer 14

thanks guys

Answer 15

chlorophyll I thnk u forgot to find the sqrt.

Answer 16

I'm wrong, I missed the sqrt ( ) --> 4.15 => B