Question

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








A.

508.68 mm2

B.

56.52 mm2

C.

254.34 mm2


D.

1017.36 mm2

Answer 1

@conain007 @iGreen. @AnswerMyQuestions

Answer 2

The formula is pi x radius^2, so what is your answer?

Answer 3

56.52?

Answer 4

@AnswerMyQuestions

Answer 5

No, that's wrong.

\(\pi r^2\)

\(\pi 7^2\)

What's 7^2?

Answer 6

Sorry, what's 9^2?

Answer 7

18
^ = x?

Answer 8

That's wrong. First, you do 9^2.

Answer 9

No...

Answer 10

No, 9^2 is the same is 9 * 9

Answer 11

What's that?

Answer 12

It is 9^2, not 9 x 2.

Answer 13

4.5?

Answer 14

@AnswerMyQuestions

Answer 15

...

Answer 16

9^2 not 9 divided by 2.

Answer 17

9^2 is the same as multiplying 9 x 9.

Answer 18

So you get..?

Answer 19

@AnswerMyQuestions OH i see it set up differently sorry...it would be 81 then?

Answer 20

Yes, so what is 81 x 3.14?

Answer 21

254.34! Thanks :)

Answer 22

No problem. :)