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Theorem 3: Opposite Angles in a Parallelogram Are Equal

If one of the...

Question

If one of the angles of a parallelogram is 80°, its opposite angle is ___ degrees.

A

80^{\circ}

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B

100^{\circ}

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C

70^{\circ}

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D

60^{\circ}

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Solution

The correct option is A $80^{\circ}$
In a parallelogram, the opposite angles are equal. Hence, the opposite angle is $80^{\circ}$ .

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If one of the angles of a parallelogram is 80°, the opposite angle will be ___ degrees.

Q. If one of the angles of a parallelogram is 80°, the other non-adjacent angle is ________ degrees.

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