an angle measures 142° less than the measure of its supplementary angle. what is the measure of each angle?
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A - an angle
S - its supplementary angle
A = S - 142°
Supplementary angles add to 180° so:
A + S = 180°
S - 142° + S = 180°
2S = 322°
S = 161°
A = 161° - 142° = 19°
19° and 161°
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Answer:
Step-by-step explanation:
A - an angle
S - its supplementary angle
A = S - 142°
Supplementary angles add to 180° so:
A + S = 180°
S - 142° + S = 180°
2S = 322°
S = 161°
A = 161° - 142° = 19°
19° and 161°
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