Geometry: Common Core (15th Edition)

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

Chapter 11 - Surface Area and Volume - 11-1 Space Figures and Cross Sections - Practice and Problem-Solving Exercises: 61

Answer

40$\pi$ $cm^{2}$

Work Step by Step

Find the area of the rectangle. A=LW A=4$\pi$(8) A=32$\pi$ Find the area of the circle. A=$\pi$$r^{2}$ A=$\pi$$2^{2}$ A=4$\pi$ You have one rectangle and two circles, so add the areas together 32$\pi$+4$\pi$+4$\pi$=Total area 40$\pi$=Total area
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