5.5 Trapezoid

​5.5 Trapezoid

Unit 5: Quadrilaterals​

Remember to title and date your notes.​

​A quadrilateral with only 1 pair of parallel sides.

NOT a parallelogram​

​1. Trapezoid

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​The two parallel sides are called bases.

​​2. Base

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​The two non-parallel sides are called legs.

​3. Leg

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​1. Vocabulary

Multiple Choice

Which shape is not a parallelogram?

Multiple Choice

A trapezoid only has 1 pair of parallel sides.

• True

• False

Draw

Label the bases of the trapezoid.

Draw

Label the legs of the trapezoid.

​Legs are congruent (equal).

​​Isosceles Trapezoid

​No sides are congruent.

​​Scalene Trapezoid

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​One right angle.

​​Right Trapezoid

​Only one pair of opposite sides are parallel.

​​Property 1:

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​Upper base angles are congruent (equal).

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Lower base angles are congruent (equal).​

​Property 2:

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Multiple Choice

Find the measurement of the angle indicated for each trapezoid.

• 80°

• 110°

• 60°

• 80°

​Consecutive angles are supplementary (add of to 180°).

​​Property 3:

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​Opposite angles are supplementary (add of to 180°).

​Property 4:

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Multiple Choice

Find the measurement of the angle indicated for each trapezoid.

• 75°

• 60°

• 140°

• 135°

Multiple Choice

Find the measurement of the angle indicated for each trapezoid.

• 68°

• 36°

• 95°

• 130°

Multiple Choice

• A

• B

• C

• D

Multiple Choice

• A

• B

• C

• D

Multiple Choice

• A

• B

• C

• D

Multiple Choice

• A

• B

• C

• D