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Areas of Trapezoids Geometry Unit 4, Lesson 2

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**Trapezoids The bases of a trapezoid are the parallel sides**

The legs are the non-parallel sides The height is the perpendicular distance between the two parallel bases. base (b1) leg height (h) leg Base (b2)

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**Theorem 5-8: Area of a Trapezoid**

The area of a trapezoid is half the product of the height and the sum of the lengths of the bases. A = ½ h(b1 + b2)

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Example: Find the area of a trapezoid with the height of 7 cm, and bases of 12 cm and 15 cm.

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Example: 5 4 2 5 Area = 20.8

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Real World Example Approximate the area of Arkansas by finding the area of the trapezoid shown.

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**“Review” http://www.quia.com/rr/91670.html**

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**“Review” http://www.quia.com/rr/91670.html**

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