1 answer

The measure of an angle is 21° more than twice its supplement. How do you find the measure of each

Question:

The measure of an angle is 21° more than twice its supplement. How do you find the measure of each angle?

Answers

53, 127

Explanation:

Let #x# be the measurement of the angle's supplement

#=> x' = 2x + 21#


Since the two angles are supplements

#x + x' = 180#

#=> x + 2x + 21 = 180#

#=> 3x = 159#

#=> x = 53#

#=> x' = 127#

.

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