Question

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

Answer 1

pi r^2

pi x 13x13

Answer 2

530.929

Answer 3

i have multiple choice

Answer 4

thats incorrect

Answer 5

oh SHOOOOOOT!

Answer 6

6.5π square inches
13π square inches
26π square inches
42.25π square inches
169π square inches
its one of these

Answer 7

so 13 pi

Answer 8

169/4 pi

Answer 9

?

Answer 10

u gave the diameter.
in formulae v insert the radius! :O

Answer 11

yes so 169 is it

Answer 12

169/4

Answer 13

42.25

Answer 14

169/4 pi