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Parallelogram Proofs Worksheet - Fill and Sign Printable Template ... - Free Printable

Educational worksheet: Parallelogram Proofs Worksheet - Fill and Sign Printable Template .... Download and print for classroom or home learning activities.

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1. Opposite sides are AB & CD, and AD & BC.
2. ∠A + ∠C = 180°
3. ∠B is supplementary to ∠R.
4. STUV is a parallelogram because both pairs of opposite sides are parallel.
5. Yes, ∠S and ∠T are supplementary angles.
6. EG = 12 cm, GH = 8 cm.
7. The measure of EFG is 110°.
8. x = 5.
9. AC = 20, BD = 20.
10. MNLO is not a parallelogram because only one pair of opposite sides is parallel.

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

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