Question

Not sure how to figure this one out. Screenshot below.

Answer 1

you have to find the area of the circles

Answer 2

do you know the formula?

Answer 3

3.14 r^2

Answer 4

do i divide 18 by 3 to get the diameter

Answer 5

yes

Answer 6

so 3.14 6^2

Answer 7

no it's 3.14* 3^2

Answer 8

3 is the radius

Answer 9

oh yeah the diameter is split

Answer 10

I got 84.78 for the area of the 3 circles

Answer 11

YES!

Answer 12

now find the area of the rectangle.

Answer 13

And 108 for the rectangle.

Answer 14

yes.

Answer 15

And then i subtract it ?

Answer 16

correct

Answer 17

I got 23.22

Answer 18

is that using the whole pi or 3.14?

Answer 19

yes to which one?

Answer 20

the whole thing

Answer 21

well you are right if you just use 3.14

Answer 22

That's what it tells me to use in the question for pi

Answer 23

ok sorry. I'm not used to teaching

Answer 24

No it's fine! you helped me!

Answer 25

finish by subtracting 84.78 from 108

Answer 26

i got 23.22 for that

Answer 27

Perfect!

Answer 28

Thank you for helping!