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Mensuration: Areas and Volumes · Question 43 of 68

Question 43

EasyOriginal question

A cylindrical steel drum has a base radius of 7 cm and a height of 20 cm. What is its volume? Take π=227\pi = \frac{22}{7}.

Options for question 43

Show the answer and explanation
CorrectNot quiteAnswer C

Correct answer: C

Explanation

  1. Volume of a cylinder = πr2h\pi r^2 h.

  2. = 227×7×7×20=3080\frac{22}{7} \times 7 \times 7 \times 20 = 3080 cm³.

Worth noting

880 is the curved surface area (2πrh), not a volume. 12,320 cm³ uses 14 cm as the radius.

Concept
Volume of a cylinder
Typical time
40 s
Your time
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The rule this testsCylinders, cones and spheres
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Ten questions from Mensuration: Areas and Volumes, at your own pace.

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