Question

Calcule o valor de X

3 X 4

5 X 13

Answer 1

Resposta:

1) (3)^2 + (4)^2 = x^2

9 + 16 = x^2

25 = x^2

x = 5

2) (5)^2 + (x)^2 = 13^2

25 + (x)^2 = 169

x^2 = 169 - 25

x^2 = 144

x = 12