Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 1 - Tools of Geometry - 1-8 Perimeter, Circumference, and Area - Got It?: 6

Answer

a) Separate into squares with 3 cm sides. b) $64 ft^2$

Work Step by Step

a) The figure could be divided into 6 squares with 3 cm sides. Compute the area of one square and multiply by 6 to find the total area of the figure. b) Divide the figure into one rectangle that has a 12 ft base and a 4 ft height and a triangle that has an 8 ft base and a 4 ft height. Find the area of each and add them to find the area of the figure. $A_1=bh=12\times4=48$ $A_2=\frac{1}{2}bh=\frac{1}{2}(8)(4)=(4)(4)=16$ $A=A_1+A_2=48+16=64$
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