Isosceles Trapezoid Worksheet

Explore the properties of isosceles trapezoids with this worksheet, covering angles, sides, and diagonals.

Grade 8 Math GeometryIsosceles Trapezoid

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Multiple ChoiceFill in the BlanksShort AnswerTrue / FalseCustom

Standards

CCSS.MATH.CONTENT.8.G.A.5

Topics

mathgeometryisosceles trapezoidgrade 8

7 sections · Free to use · Printable

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Isosceles Trapezoid Worksheet

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Read each question carefully and answer to the best of your ability. Show all your work for full credit.

1. Which of the following statements is true about an isosceles trapezoid?

All four sides are equal.

Only one pair of opposite sides is parallel.

The non-parallel sides (legs) are equal in length.

All angles are right angles.

2. If one base angle of an isosceles trapezoid measures 70 degrees, what is the measure of the opposite base angle?

70 degrees

110 degrees

90 degrees

180 degrees

3. In an isosceles trapezoid, the diagonals are in length.

4. An isosceles trapezoid has exactly one pair of sides.

5. Draw an isosceles trapezoid and label its parallel sides, non-parallel sides, and base angles.

6. All four angles of an isosceles trapezoid are equal.

True

False

7. The base angles of an isosceles trapezoid are congruent.

True

False

8. In an isosceles trapezoid ABCD, with AB parallel to CD. If angle A is 65 degrees, find the measures of angle B, angle C, and angle D.

9. The lengths of the parallel sides of an isosceles trapezoid are 10 cm and 16 cm. If the height of the trapezoid is 4 cm, what is the length of each non-parallel side?