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22-09-2020
Mathematics

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The measure of the supplement of an angle is twice the measure of the angle. What is the measure of each angle?

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zarampa zarampa

22-09-2020

Answer:

120° and 60°

Step-by-step explanation:

Suplementary angles sum 180°

then:

a + b = 180°

b = 2a

then:

a + 2a = 180°

3a = 180°

a = 180/3

a = 60°

b = 2a

b = 2*60

b = 120°

Check:

120° + 60° = 180°

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