Question

Qual valor de x e y?

Answer 1

a)  x² = 9² + 6²

x² = 81 + 36

x² = 117

x = $\sqrt{117}$

b) 8² = y² + 6²

64 = y² + 36

y² = 36 - 64

y² = -28

y = $\sqrt{28}$