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Geometry problem identifying a parallelogram based on angle measures.

A parallelogram with angles labeled 59°, 121°, 59°, and an unlabeled angle, shown in a geometry problem asking to prove it is a parallelogram.

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Show Answer Key & Explanations Step-by-step solution for: Proving a Quadrilateral is a Parallelogram Google Forms Homework

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- Yes, you can prove it is a parallelogram.
- The quadrilateral has two pairs of congruent opposite angles (both 59° and both 121°).
- A quadrilateral with two pairs of congruent opposite angles is a parallelogram.

Parent Tip: Review the logic above to help your child master the concept of proving quadrilaterals are parallelograms worksheet.

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