Question

Si: L1 // L2 y L3 // L

. Calcular: α + β + θ​

Answer 1

$\alpha + 90 = 150 \\ \alpha = 150 - 90 \\ \alpha = 60$

$3θ = 2 \beta \\ θ = 20 \\ \beta = 30$

$\alpha + \beta + θ \\ 60 + 30 + 20 \\ 110$