Question

19. If the area of a circle is 8 pi , what is the length of its diameter?

Answer 1

\[2\sqrt{8}\]

Answer 2

or \[\sqrt{32}\]

Answer 3

it's either
4
8
2√2
4√2

Answer 4

no, its 4

Answer 5

first one

Answer 6

thank you :)

Answer 7

no problem

Answer 8

it wasn't 4

Answer 9

sorry im a dumbass haha its 4 root 2

Answer 10

last one, thats my bad

Answer 11

a = pie r ^2
8 pi = pi r^2
8 = r^2
r = 2 square root 4
Now double it.

Answer 12

Thats what i said 4 root 2 is the same as 2root 8 or root 32

Answer 13

yes its what you said. Never said you where incorrect.