Question

15PTS PLEASE HELP ASAP!
(dont write random answers pls)
look at the pic attached:

Answer 1

120

Explanation:

a^2 + b^2 = c^2

48^2 + x^2 = 52^2

2304 + x^2 = 2704

x^2 = 2704-2304

x^2 = 400

x = 20

52 + 48 + 20 =

120