Area of Trapezoids

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Area of a Trapezoid

·Cut the trapezoid in half horizontally·Rotate the top half so it lies next to the bottom half·A parallelogram is created

See the diagrams belowBase1

Base2

Height

Base1Base2

The Area (A) of a trapezoid is found by using the formula:

Note: The base & height always form a right angle!

Example.

Find the area of the figure.

12 cm

10 cm 11 cm

9 cm

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Try These.

Find the area of the figures.

13 ft

11 ft

9 ft 11 ft

20

15

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11 ft

click to reveal

9 117

75 Find the area of the trapezoid.

4 m

10 m

6.5 m

76 Find the area of the trapezoid.

22 cm

14 cm

8 cm