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Properties of Parallelograms




 
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More Lessons for Grade 9

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Videos, worksheets, games and activities to help Geometry students learn about the properties of parallelograms.

Parallelogram Properties:
Properties of parallelograms often show up in geometric proofs and problems. Parallelogram properties apply to rectangles, rhombi and squares. In a parallelogram, opposite sides are congruent, opposite angles are congruent, consecutive angles are supplementary and diagonals bisect each other.
Properties of Special Parallelograms - rhombus, rectangle, square
A Parallelogram Diagonal Word Problem



Properties of a Parallelogram
Students learn the definition of a parallelogram, which states that if a quadrilateral is a parallelogram, then opposite sides are parallel. Students also learn the following theorems related to parallelograms. If a quadrilateral is a parallelogram, then opposite sides are congruent. If a quadrilateral is a parallelogram, then opposite angles are congruent. If a quadrilateral is a parallelogram, then the diagonals bisect each other. Students are then asked to solve problems related to the properties of parallelograms using Algebra.
Properties of a Parallelogram


 

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