joshsean1220 joshsean1220

31-03-2022
Mathematics

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When do you say that a given quadrilateral is a parallelogram?

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lthomas9891 lthomas9891

31-03-2022

Answer:

Theorem : If in a quadrilateral, each pair of opposite angles is equal, then it is a parallelogram. Given : ABCD is a quadrilateral in which ∠A = ∠C and ∠B = ∠D. We know that the sum of the angles of a quadrilateral is 360o.

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