Chapter 7.3
4.
a)
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v = π.r.r.h
v = (3.14x5x5) x 23
v = 78.5 x 23
v = 1805.5cm3
b)
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v = π.r.r.h
v = (3.14x14) x 12
v = 615.44 x 12
v = 7385.28cm3
c)
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v = π.r.r.h
v = (3.14x0.5x0.5) x 1.5
v = 0.785 x 1.5
v = 1.1775m3
Chapter 7.4
3.
a)
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v = (bxh÷2) x h2
v = (1.4x1.7÷2) x 1.7
v = 1.19 x 1.7
v = 2.023m3
Link
http://www.math.com/tables/geometry/volumes.htm
Video
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