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09-10-2020
Mathematics

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Two supplementary angles are in the ratio 2:7. Find the measure of the Acute angle.

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devishri1977 devishri1977

12-10-2020

Answer:

40°

Step-by-step explanation:

Ratio of two supplementary angles = 2 : 7

The angles are 2x , 7x

2x + 7x = 180 {Supplementary}

9x = 180

x = 180/9

x = 20

Acute angle = 2x = 2*20 = 40

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