Question

Calcule x nos triângulos retângulos

Answer 1

Resposta:

a:

$x = 10 + 60 = 180 \\ x = 180 - 70 \\ x = 110$

10+60+110=180

b

$x = 17 + 28 = 180 \\ x = 180 - 45 \\ x = 135$

135+17+135=180