Figure 12.16 shows the floor plan for a modern, one-story house. Bob calculates the area of the floor of the house this way: 36 x 72- 18 x 18= 2268 square feet. What must Bob have in mind? Explain why Bob's method is a legitimate way to calculate the floor area of the house, and explain clearly how one or both of the moving and additivity principles on area apply in this case.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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Figure 12.16 shows the floor plan for a modern, one-story house. Bob calculates the area of the floor of the house this way: 36 x 72- 18 x 18= 2268 square feet. What must Bob have in mind? Explain why Bob's method is a legitimate way to calculate the floor area of the house, and explain clearly how one or both of the moving and additivity principles on area apply in this case.

72 ft
18 ft
18 t
36 ft
36 ft
18 ft
18 ft
Transcribed Image Text:72 ft 18 ft 18 t 36 ft 36 ft 18 ft 18 ft
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How can you explain in words how the additivity and/ or moving principle on area apply in this case?

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