Question

calcule o valor do x​

Answer 1

Resposta:

x + 3x + 10 + x = 90°

5x = 90 - 10

5x = 80

x = 80/5

x = 16

Answer 2

Ângulo de 90°
90 = x + 3x + 10 + x
x + x + 3x = 10 - 90
5x = 80 / 5
X = 16

Observe:
90 = 16 + 3.16 + 10 + 16
90 = 90

Boas tardesss ;)