Question

Calcule x, si AC = BC​

Answer 1

Respuesta:

Calcule x, si AC = BC

2β + 30° + 80° = 180°

2β = 180° - 110°

2β = 70°

β = 35°

Reemplazando β

β + 80° + x = 180°

35° + 80° + x = 180°

x = 180° - 115°

x = 65°