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1. Two angles are said to be supplementary angles. If one angle measures 78°, What is the measure of the other angle?​

1 Two Angles Are Said To Be Supplementary Angles If One Angle Measures 78 What Is The Measure Of The Other Angle class=

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Answer:

3.Suppose smaller angle = x°

larger angle = (2x+78) deg

Supplementary angles so sum = 180 degree

x+2x+78=180

3x+78=180

3x=180-78

3x=102

x=34

larger angle =2x+78=68+78=146 degree

Smaller angle = 34°

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