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3 cards from this section. Quick, good the night before a test.
What defines a parallelogram?
Think about the characteristics of parallel lines.
If ABCD is a parallelogram, what can you say about AB and CD?
Review the properties we discussed.
What is a parallelogram?
Think about the definition we discussed.
True or False: Opposite angles in a parallelogram are equal.
Consider the properties of a parallelogram.
Prove that in parallelogram ABCD, if AB = 7 cm and AD = 5 cm, what is the perimeter? Also, if the angles ∠A = 60°, what are the measures of angles ∠B, ∠C, and ∠D?
Use the properties of opposite sides and angles.
Given a parallelogram where one diagonal is 10 cm long, and it bisects the other diagonal at a right angle, what is the length of the other diagonal?
Recall the property of diagonals in parallelograms.
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