Question

how do i solve this?? the picture is attached!

Answer 1

I can't see the pic... I don't know what it is.... I mean I see it but don't know...

Answer 2

what?

Answer 3

sorry... I don't know what it is... Thats all I am saying

Answer 4

hmm...

Answer 5

those 2 letters are the letter "r"

Answer 6

:( sorry hope you figure it out!

Answer 7

what is the question?

Answer 8

i have to solve for "r"

Answer 9

ohh that part that's coming out is length 3?

Answer 10

yupp

Answer 11

just use the pythagorean theorem:
(r+3)^2 = 9^2+r^2

Answer 12

thank u!

Answer 13

r^2+6r+9=81+r^2

Answer 14

subtract r^2 from both sides

Answer 15

6r + 9 = 81
6r = 81-9
6r = 72
r = 12