Question

CALCULE o valo de x nos triângulo retângulos

Answer 1

a)
x^2 = (v3)^2 + (v2)^2
x^2 = 3 + 2
x^2 = 5
x = v5

b)
(3v5)^2 = x^2 + 6^2
9 . 5 = x^2 + 36
45 = x^2 + 36
45 - 36 = x^2
9 = x^2
x = 3