Question

Aplicando o Teorema de Pitágoras, calcule o valor de x. *
a) 15
b) 12
c) 10
d) 14

Answer 1

a^2 = b^2 + c^2

a = 15

b = 9

c = x

15^2 = 9^2 + x^2

81 + x^2 = 225

x^2 = 144

x = 12

b) 12