Question

1) Calcule o Valor De X

Answer 1

a) x+x+15+25=90

___2x=90-15-25

____2x=90-40

_____x= 50/2

______x= 25°

b) 50+x+20=180

____x=180-50-20

______x=180-70

_______x=110°

c) 42+90+x=180

___x=180-90-42

____x=180-132

_____x= 48°