Question

A circle has a radius of 9 mm. What is the approximate area of the circle?

A.
1017.36 mm2

B.
254.34 mm2

C.
508.68 mm2

D.
56.52 mm2

Answer 1

\[A = \pi*r^2\]

Answer 2

So just plug in r.

Answer 3

and make sure to square it

Answer 4

B

Answer 5

Mhm, are you sure the radius is in mm?

Answer 6

yes @iambatman

Answer 7

and the solutions as well?

Answer 8

yes @iambatman

Answer 9

Yes you're right :), usually when I see these the solutions keep pi as a exact number but not yours! So yes the answer is B.