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Math
Geometry
Polygons and Quadrilaterals
Quadrilaterals: Parallelograms
Properties of Parallelograms
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Explanations
1
Parallelograms have many properties. I will number them. Both pairs of opposite sides are parallel. Both pairs of opposite sides are equal in length. Pairs of opposite angles ar…
By Vincent Huang, Muhammad Hamza Waseem
Problems
1
Suppose quadrilateral ABCDABCDABCD has two pairs of congruent sides. Which of the following must be true?
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