Answer
a. 12
b. 30
Work Step by Step
F+V=E+2
F+20=30+2
F+20=32
F=12
F+V=E+2
20+12=E+2
32=E+2
30=E
Geometry: Common Core (15th Edition)
by Charles, Randall I.
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 - Got It? - Page 689: 2
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