Question

Suppose you know that ∠S and ∠Y are complementary and that m∠S = 5(m∠Y) − 180°. Find m∠Y.

Answer 1

45°

Explanation:

We know ∠ Y +∠ S = 90

and ∠ S= 5 ( ∠ Y)-180 so

leave S alone for both

90- ∠Y = 5 ( ∠Y) -180

270 = 6( ∠Y )

45= ∠ Y

∠S = 5( 45) -180

=225-180

=45