Question

Determine as medidas de a e b representadas na figura

Answer 1

Beta = 35°

Alfa = 60°

2b+10 = 3b-25

2b-3b = -25-10

-b = -35

b = 35°

2.35+10+2a-20 = 180

2a = 180-70-10+20

2a = 200-80

2a = 120

a = 120/2

a = 60°

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29/07/22