Question

calcule o valor de x nos triângulos retangulos

Answer 1

a) x² = 25 * 9
x² = 225
x = √225
x = 15

b) x² = 9 * 5
x² = 45
x = √45
x = 3√5

c) 25 * x = 4 * 3
25x = 12
x = 12/25

d) x² = 4 * 16
x² = 64
x = √64
x = 8