Question

2. ∠F and ∠S are supplementary angles, and ∠S is 99°. What is ∠F?
71°

Answer 1

The sum of supplementary angles is 180°.

=> < F+<S=180°

Given: <S=99°

•

•• <F+99°= 180°

<F= 180°-99°

<F= 81°

Answer 2

Supplementary angles make up 180 degrees. 180 minus 99 equals 81