Question

What is the exact area of a circle whose diameter is 18 cm?

A.
9 cm2

B.
18 cm2

C.
36 cm2

D.
81 cm2

Answer 1

I think it is a, i will give medal @dan815

Answer 2

@amistre64 @DolphinDawg @TheSmartOne @jdoe0001

Answer 3

Diameter is 18 units
Therefore radius r=9 units
Area=Pi*r^2
=3.14*81
=254.34 sq units

Answer 4

oh, i mean c

Answer 5

i was thinking radius, whoops

Answer 6

You copy-pasted your question and because of that you lost the pi in each answer because of copy-pasting errors.

Answer 7

haha my help is sold out for a medal!

Answer 8

in each answer choice*

Answer 9

yep, sorry bout that