Question

Calcule o valor do x nas figuras

Answer 1

Resposta:

a) 2x + x+30° +90°+90°= 360

3x= 360-180°-30°

3x= 180-30

3x= 150

x= 150/3

x= 50°

-----------------

b) x+90+90+70= 360

x= 360-250

x= 110°