Question

The side length of the square in the figure is 8 cm.
The radius of the inscribed circle is......cm. and the radius of the circumscribed circle is......cm.

Answer 1

https://cdn.ple.platoweb.com/EdAssets/5d9ddd163d6d4660b3806951de0b0d56?ts=635385686296700000

Answer 2

what have you tried so far?

Answer 3

I don't know what to try. I don't know anything about geometry.

Answer 4

can you see the radius now?

Answer 5

is it 8?

Answer 6

look carefully u know the difference between radius and diameter?

Answer 7

yes

Answer 8

4

Answer 9

there ya go

Answer 10

inscribed means the circle inside right

Answer 11

yeap

Answer 12

so now knowing r=4 find the circumference

Answer 13

the circumference is pi*r^2

Answer 14

use 2*pi*r

Answer 15

25.12

Answer 16

looks good

Answer 17

so how do I find the radius of the outer circle

Answer 18

its 8

Answer 19

do u have to find it?

Answer 20

yes

Answer 21

ok let me see how u can do this without using calculus

Answer 22

ok

Answer 23

I've got to go for now but ill be back tomorrow

Answer 24

thank you

Answer 25

you divided. the length of square by 2 to get radius of inscribed circle

Answer 26

Now can you find the circumference of the outer circle?

Answer 27

thank you