(a) Explanation Formula used: Volume of the prism is given by V = A h where A is the area and h is the altitude of the base. Area of a trapezoid is A = b 1 + b 2 2 ( h ) where b 1 and b 2 are the base of the trapezoid and h is the height of the trapezoid. The density is given by the equation: Density = Weight Volume Calculation: From the given figure, it is to be noted that the given figure is a prism with a trapezoidal base. Observe that the given dimensions are b 1 = 2 ft, b 2 = 10 ft and h 1 = 15 ft . Substitute the values b 1 = 2 ft, b 2 = 10 ft and h 1 = 15 ft and calculate the area of the given solid object as follows: A = ( b 1 + b 2 2 ) h 1 = ( 2 + 10 2 ) ( 15 ) = 12 2 ( 15 ) = 6 ( 15 ) = 90 sq ft Therefore, area of the trapezoidal base is 90 sq ft (b) To determine The weight in ounces of the steel pin and round the result to three significant digits. (c) To determine The cost of the roofing material.

10th Edition

ISBN: 9780100803053

Author: SAUNDERS

Publisher: YUZU

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Chapter 9, Problem 3P

(a)

To determine

The amount of water needed to fill the swimming pool.

(b)

To determine

The weight in ounces of the steel pin and round the result to three significant digits.

(c)

To determine

The cost of the roofing material.

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Chapter 9, Problem 2P

Chapter 9, Problem 1APS

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