Question

One angle of a quadrilateral is 123° and the remaining three angles are equal. Find three angles.

Answer 1

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Answer 2

Answer:

Let the given angle is x

So, x = 123°

Let the other angle is y, and all remaining angles are same so, 3y

x + 3y = 360°

123° +3y =360°

3y = 360° - 123°

y = 237°/ 3

y = 75° (approximately)

Hope this is a helpfull