3 years ago

Suppose you know that ∠S and ∠Y are complementary, and that m∠S = 2(m∠Y) − 90°. Find m∠Y.

Mathematics

2 answers:

exis [7]3 years ago

4 0

Answer:

Y=60

Step-by-step explanation:

S+Y=90

S=(2*Y)-90

Y+2Y-90=90

3Y=180

Y=60

Plug back into S+Y=90

S+60=90

S=30

IgorLugansk [536]3 years ago

4 0

Answer:

m∠Y = 60°

Step-by-step explanation:

m∠S = 2(m∠Y) − 90°

m∠S + (m∠Y) = 90°

Solving

m∠Y = 60°

m∠S = 30°

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