Question

∠ R and∠ S are complementary. If m ∠ R = 12x - 3 and m ∠ S = 7x - 2, find m ∠ R.

m ∠ R = (blank)degrees

Answer 1

Explanation:

Sum of two complementary angle is 90°

so.

<R+<S =90°

12x-3+7x-2=90°

19x-5=90°

19x=95°

X= 5

<R= 60-3=57°