Question

3. The angles of a quadrilateral are in AP whose common difference is 100
. Find the angles.

Class - 10

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Answer 1

Hey!!!!

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Here, we know sum of all angles of a quadrilateral is 360°

Here the angles are in AP with common diffrence 10°

Thus let the angles be a , a + 10 , a + 20 , a + 30.

Thus

=> a + a + 10 + a + 20 + a + 30 = 360

=> 4a + 60 = 360

=> 4a = 300

=> a = 75°

Thus the angles are 75° , 85° , 95° and 105°

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