Question

Would it be C?

Answer 1

well, its either c or d depending on the value for the sqrt

Answer 2

100+256 = 356

356 < 400 so that looks fine

Answer 3

the missing side is about 18

Answer 4

help ):

Answer 5

Well \(\sqrt{10^2+16^2}=18.867962264113207622641320755245\), which is less than 20, so C it is. D is impossible because of the above.

Answer 6

Okaay, that's what I thought. thanks you!