An angle measures 12 degrees less than three times it's supplement. Find the measure of the angle.

Question

Mathematics

Reynaldo Golden

8 November, 09:27

An angle measures 12 degrees less than three times it's supplement. Find the measure of the angle.

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Answers (1)

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Kymani · Answer 1

supplementary angles = 180 degrees

so x = angle 1

y = angle 2

y = 3x-12

x + 3x-12 = 180

4x-12 = 180

4x = 192

x = 192/4 = 48

y = 3 (48) - 12 = 144-12 = 132

132 + 48 = 180

the angle is 132