Area of Trapezoids. A trapezoid can be thought of as half of a parallelogram also. Notice that when...

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Area of Trapezoids

Transcript of Area of Trapezoids. A trapezoid can be thought of as half of a parallelogram also. Notice that when...

Page 1: Area of Trapezoids. A trapezoid can be thought of as half of a parallelogram also. Notice that when we put the 2 trapezoids together we get a parallelogram.

Area of Trapezoids

Page 2: Area of Trapezoids. A trapezoid can be thought of as half of a parallelogram also. Notice that when we put the 2 trapezoids together we get a parallelogram.

Base 1

Base 1

Base 1

Base 2

Base 2

Base 2height

height

height

Page 3: Area of Trapezoids. A trapezoid can be thought of as half of a parallelogram also. Notice that when we put the 2 trapezoids together we get a parallelogram.

10 m

22 m

25 m

A = (h)(b1 + b2) ÷ 2 A = (25)(10 + 22) ÷ 2 A = (25)(32) ÷ 2 A = (800) ÷ 2 A = 400 m²

Page 4: Area of Trapezoids. A trapezoid can be thought of as half of a parallelogram also. Notice that when we put the 2 trapezoids together we get a parallelogram.

Use the figure to find the following measurements.

1. The perimeter of the triangle

2. The perimeter of the trapezoid

3. The perimeter of the combined figure

4. The area of the triangle

5. The area of the trapezoid

36 cm

44 cm

54 cm2

64 cm

104 cm2


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