CK-12 Geometry-Concepts

(Marvins-Underground-K-12) #1

http://www.ck12.org Chapter 10. Perimeter and Area


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Answers


Use the formula for the area of a trapezoid.


1.^12 ( 18 )( 41 + 21 ) = 558 units^2.
2.^12 ( 7 )( 14 + 8 ) = 77 units^2.
3.^12 ( 5 )( 16 + 9 ) = 62. 5 units^2.


Interactive Practice


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Find the areaand perimeter of the following shapes.Round your answers to the nearest hundredth.


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Find the area of the following trapezoids.

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