Volume of Cylinder Practice

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Question 1

Given a rectangular solid with the width of 5cm, length of 7cm and height of 4cm. Find the volume of this solid.

Take π = 22/7

Answer

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Select and check your answer...

A. 140
B. 140 cm
C. 140 cm2
D. 140 cm3

Step by Step Solution

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    Step 1

    The picture below shows the rectangular solid with the width (W) of 5cm, length (L) of 7cm, and height (H) of 4cm.

    Rectangular solid W = 5cm, L = 7cm, H = 4cm
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    Step 2

    Since W, L and H have the same unit, we can just multiply the W, L and H together to find the volume as shown:

    V = WLH
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    Step 3

    Now, the calculated number 140, has no meaning unless we include the unit for it. Since W, L and H units are in cm, the unit for volume will be cm3. Hence:

    V = 140cm3
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    Step 4

    Therefore, the answer is D.

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