Question

Calcule o valor de x.

a) 4,8 b) 24 c) 2,4 d) 6

Answer 1

Resposta:

${10}^{2} = {a}^{2} + {8}^{2} \\ 100 - 64 = {a}^{2} \\ a = \sqrt{36} \\ a = 6$

a*8=x*10

6*8=10x

x=48÷10

x=4.8

LETRA A