Course 2 Volume of Pyramids.

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Volume of Pyramids and Cones

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Course 2 Volume of Pyramids

Volume of Pyramids Example 1 Course 2 Volume of Pyramids Example 1 Find the volume of the pyramid to the nearest tenth. Estimate to check whether the answer is reasonable. 1 3 V = Bh Use the formula. 4 ft Find the area of the rectangular base. B = 5 · 7 = 35 1 3 V = · 35 · 4 Substitute for B and h. 7 ft 5 ft V ≈ 46.7 ft3 Multiply. 1 3 Estimate V = · 30 · 5 Round the measurements. V = 50 ft3 The answer is reasonable.

Volume of Pyramids Example 2 Course 2 Volume of Pyramids Example 2 Find the volume of the pyramid to the nearest tenth. Estimate to check whether the answer is reasonable. 1 3 V = Bh 4 ft Use the formula. Find the area of the rectangular base. B = 8 · 7 = 56 1 3 V = · 56 · 4 Substitute for B and h. 7 ft 8 ft V ≈ 74.7 ft3 Multiply. 1 3 Estimate V = · 60 · 4 Round the measurements. V = 80 ft3 The answer is reasonable.

Course 2 Volume of Pyramids Volume of a Triangular Pyramid

Volume of Pyramids Example 3 Course 2 Volume of Pyramids Example 3 Find the volume of the following triangular pyramid, rounding your answer to two decimal places

Volume of Pyramids and Cones Course 2 Volume of Pyramids and Cones Lesson Quiz Find the volume of each pyramid or cone to the nearest tenth. Use 3.14 for . Estimate to check whether the answer is reasonable. 1. 80 ft3 2. 252 ft3