Question

Given: ∠1 and ∠2 are supplementary m∠1=112° Prove: m∠2=68°

Answer 1

supplementary angles are 180°

Explanation:

Answer 2

supplementary angles are 180°

<1+<2=180°

given that <1=112°

112°+<2=180°

<2=180°-112°

<2=68°