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AssignmentMultiple Choice

Volume of Prisms

Question 1 • FL-1205040-M/J Grade 7 Mathematics B -GF

The sea lion tank at the aquarium has a volume of approximately 27,488.94 cubic feet and a height of 14 feet. What is the approximate area of a plastic cover that can be used to protect the aquarium? Round to the nearest hundredth.

Answer
A
about 140.25 ft2
B
about 981.75 ft2
C
about 1,963.50 ft2
D
about 3,926.99 ft2

Explanation

The plastic cover should have the same area as the tank’s top. For a tank with a constant cross-section, volume equals base area times height, so the area is 27,488.94 ÷ 14 ≈ 1,963.4957 square feet. Rounded to the nearest hundredth, that is about 1,963.50 ft², choice C.

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