Question

calcule o valor de X nós quadriláteros

com cálculo​

Answer 1

Resposta:

1.a)

120°+110°+50°+x=360

x=360°-120°-110°-50°

x=360°-280°

x=80°

1.b)

90°+90°+120°+x=360°

x=360°-120°-90°-90°

x=360°-310°

x=50°

1.a)

6x+5x+4x+3x=360°

18x=360°

x=360/18

x=20°

2.a)

x+50°+2x-30°+x+x-20°=360°

x+2x+x+x=360°-50°-30°-20°

5x=360°

x=360°/5

x=72°