Question

What is the approximate area of a circle with a radius of 28 centimeters? Use π ≈ 3.14.

A.
87.9 square centimeters

B.
2461.8 square centimeters

C.
4923.5 square centimeters

D.
175.8 square centimeters

Answer 1

\[Area = \pi r^2\]

Answer 2

The area formula of a circle is \[\Pi r ^{2}\] Plug in the radius and pi then solve.

Answer 3

A?

Answer 4

No, not quite A. Did you multiply 28 to the second power?

Answer 5

huh :/

Answer 6

I have no clue what that means

Answer 7

\[28^{2}\]

Answer 8

OHHHHHHHHHHHH

Answer 9

area = pi*r^2
3.14*(28)^2

Answer 10

:)

Answer 11

56

Answer 12

\[28^{2}=28\times28\]

Answer 13

784

Answer 14

\[\Pi28^{2}=3.14\times28\times28\]

Answer 15

Yep, so now multiply by pi

Answer 16

2461.76

Answer 17

yep :)

Answer 18

Ok can you help on some more

Answer 19

Sure, just open a new post and tag me.