Question

One angle of angle of quadrilateral is 1800 and the remain 3 angle are equal .
Find the three equal angle

Answer 1

Let other three angles be X

180°+ x + x + x =360°(Sum of angles of quadrilateral is 360°)

180° +3x = 360°

3x = 360°-180°

3x = 180°

x = 180°÷ 3

x= 60°

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