Question

os angulos internos de um quadrilateros medem x + 10, x - 10, x e x - 20. Calcule as medidas desse angulos

Answer 1

x+10+x-10+x+x-20= 360°
4x-20= 360
4x= 360+20
4x= 380
x= 380/4
x= 95°


105° , 85°, 95°, 75°