Question

Help!!

Answer 1

With....

Answer 2

@iGreen @tylermcmullen23

Answer 3

I drew those black lines.

Answer 4

@phi

Answer 5

you should now count how long each side is.
you get 6 high and 9 wide
now use
6*6 + 9*9 = c^2

Answer 6

117!!

Answer 7

yes, c^2 = 117
and
\[ c = \sqrt{117} \approx 10.81665... \]
rounded to the nearest 10th, c= 10.8