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Question
Opposite angles of a quadrilateral ABCD are equal. If AB = 4 cm, determine CD.
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Solution
Given: Opposite angles of a quadrilateral ABCD are equal
So, that is parallelogram.
Now, ABCD is a parallelogram.
So, AB = CD ...[Opposite of a parallelogram are equal]
AB = 4 cm ...[Given]
Therefore, CD = 4 cm.
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