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

​

​One right angle.

​​Right Trapezoid

Fill in the Blanks

What type of trapezoid is this? Isosceles, Scalene, or right?

Fill in the Blanks

What type of trapezoid is this? Isosceles, Scalene, or right?

Fill in the Blanks

What type of trapezoid is this? Isosceles, Scalene, or right?

​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:

​

​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