Question

me ajudem preciso do valor de X.

Answer 1

e)

8² = 4.x
64 = 4x
x = 64/4
x = 16


f)

20² = 16² + h²
400 = 256 + h²
h² = 400 - 256
h² = 144
h = √144
h = 12

12² = 16.(x - 16)
144 = 16x - 256
16x = 144 + 256
16x = 400
x = 400/16
x = 25