Question

Please help me with this problem. How do I find x?

Answer 1

Assuming that is 2 right triangles sharing a side
height^2 = 20^2 -7^2
height^2 = 400 - 49
height^2 = 351
height = 18.7349939952
x^2 = 24^2 - 18.7349939952^2
x^2 = 576 -351
x^2 = 225
x = 15