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The angles below are supplementary. What is the value of x? A pair of supplementary angles is shown. One angle measures 4x + 20, and the other angle measures 40. 5 7.5 15 30​

The angles below are supplementary What is the value of x A pair of supplementary angles is shown One angle measures 4x 20 and the other angle measures 40 5 75 class=

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Scabbers

the angles added up are 180°, so:

180°= 4x+20°+40°

180°-20°-40°=4x

120°= 4x

120°/4=x

30°=x

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