Question

an angle is one fifth of its supplement the measure of angle is​

Answer 1

Step-by-step explanation:

Let the angles are x and y such that x+y = 180°

Now x = y/5 or y = 5x

Hence x+5x = 180

=> x = 30°

Thus angle is 30° and its supplementary angle is 150°.

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Answer 2

supplementary Angele =180⁰

1/5th =1/5(180)

=36⁰

another angle = 180-36

=144⁰