Question

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Answer 1

Explanation:

Two angles are said to be supplementary when their sum is equal to 180°.

Given angle 1 and 50° are supplementary.So, angle1+50°= 1880°

angle1 =180°-50°

angle 1=130°

Given 50° and angle 3 are supplementary

So,50°+ angle 3=18=0°

angle 3=130°

So angle 1 equals to angle