Properties of Parallelograms Worksheet
Explore and identify the key properties of parallelograms including sides, angles, and diagonals.
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Properties of Parallelograms
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Read each question carefully and answer to the best of your ability. Show your work where applicable.
1. Which of the following statements is always true for a parallelogram?
All sides are equal.
All angles are right angles.
Opposite sides are parallel and equal.
Diagonals are perpendicular.
2. If one angle of a parallelogram is 70 degrees, what is the measure of the adjacent angle?
70 degrees
110 degrees
90 degrees
180 degrees
3. In a parallelogram, opposite angles are .
4. The diagonals of a parallelogram each other.
5. Draw a parallelogram and label its vertices A, B, C, and D. Then, draw its diagonals and label their intersection point as O.
6. In parallelogram PQRS, if PQ = 10 cm and QR = 7 cm, what are the lengths of RS and SP?
7. All rectangles are parallelograms.
True
False
8. The sum of the interior angles of any parallelogram is 180 degrees.
True
False
Match each property with the correct description.
9. Opposite Sides
a. Bisect each other
10. Opposite Angles
b. Are parallel and equal
11. Consecutive Angles
c. Are equal
12. Diagonals
d. Are supplementary