area of trapezoids
DESCRIPTION
Area of Trapezoids. Return to table of contents. 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 below. Base 1. Height. Base 2. Base 1. Base 2. - PowerPoint PPT PresentationTRANSCRIPT
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