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Tell whether the angles are complementary or supplementary.Then find the value of x

Tell whether the angles are complementary or supplementary.Then find the value of-example-1
User Alon Amir
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1 Answer

5 votes
Supplementary because the line equals 180°
(x-21)+x
2x-21=180
2x=201
×=100.5°
User GertVdE
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