Asked by Thea
What is the number of degrees in the measure of the larger of two supplementary angles if the ratio of their measure is 4:5?
Answers
Answered by
Reiny
let the two angles be 4x and 5x (notice they are in the ratio 4:5)
but they are supplementary, so
4x + 5x = 180
9x = 180
x = 20
making 4x = 80, and 5x = 100
so the larger of the two angles is 100ยบ
but they are supplementary, so
4x + 5x = 180
9x = 180
x = 20
making 4x = 80, and 5x = 100
so the larger of the two angles is 100ยบ
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