Question

The angle of quadrilateral are in the ratio 1:3:7:9. The measure of the largest angle is

Answer 1

Answer:

162°

Step-by-step explanation:

x+3x+7x+9x=360

reason is sum of all the angle of a quadrilateral is 360

20x=360

x=360/20

x=18

therefore

3x=54°

7x=126°

9x=162°

therefore the biggest angle is 9x=162°

hope u understand what I meant

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