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Question
Two angles of a quadrilateral are 89° and 113°. If the other two angles are equal; find the equal angles.
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Solution
Let the other angle = x°
According to given,
89° + 113° + x° + x° = 360°
2x° = 360° – 202°
2x° = 158°
x° = `158/2`
other two angles = 79° each
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