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Key Concept Quiz 8.3
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1
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A new office building was constructed in the shape of a rectangular prism with a length of 50 m, a width of 40 m, and a height of 30 m. Find the volume of the building.
A)60 000 m3
B)9400 m3
C)4700 m3
D)120 m3
2
Find the surface area of the office building in question#1.
A)60 000 m2
B)9400 m2
C)4700 m2
D)120 m2
3
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Farmer Macdonald built a bin to hold chicken feed in the shape of a triangular prism, with dimensions as shown. Find the volume of the bin.
A)410 cm3
B)31 800 cm3
C)63 600 cm3
D)720 000 cm3
4
Find the surface area of the bin in question#3.
A)410 cm2
B)31 800 cm2
C)63 600 cm2
D)720 000 cm2
5
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The Stony Mix cement company fills its cement trucks from a hopper that is in the shape of an inverted pyramid, with a base side length of 4 m and a height of 4 m. Find the volume of cement that the hopper can hold.
A)64 m3
B)43.7 m3
C)21.3 m3
D)11.9 m3
6
Find the surface area of the hopper in question#5.
A)64 m2
B)43.7 m2
C)21.3 m2
D)11.9 m2





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