Are the adjacent angles of a quadrilateral supplementary(sum equal to 180degrees)?
Are the opposite angles of a quadrilateral supplementary(sum equal to 180degrees)?
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Step-by-step explanation:
Opposite angles are congruent. The diagonals are perpendicular to and bisect each other. Adjacent angles are supplementary (For eg., ∠A + ∠B = 180°).
The opposite angles in a cyclic quadrilateral are supplementary. i.e., the sum of the opposite angles is equal to 180˚. Consider the diagram below
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Answer:
parallelogram
Step-by-step explanation:
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