Question

Calcule o valor de x nos triângulos retângulos

Answer 1

A) x^2 = 6^2 + 8^2 x^2 = 36 + 64 x^2 = 100 x = √100 x = 10  B) x^2 = 9^2 + 12^2 x^2 = 81 + 144 x^2 = 225 x = √225 x = 15  C) 5^2 = 4^2 + x^2 25 = 16 + x^2 x^2 = 25 - 16 x^2 = 9 x = √9 x = 3  D) 20^2 = 4x^2 + 3x^2 400 = 16x + 9x 400 = 25x x = 400/25 = 16  E)