aceofhearts7 aceofhearts7

03-11-2021
Mathematics

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urgent Need Determine whether this quadrilateral must be a parallelogram

urgent Need Determine whether this quadrilateral must be a parallelogram class=

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0Aizen0 0Aizen0

03-11-2021

Isn't that a parallelogram?

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mkrooska mkrooska

03-11-2021

It must be a parallelogram because both sets of opposite angles are congruent and the sum of all angles equal 360°, meaning that both sets of opposite sides are parallel.

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