A cylinder 84 cm long is made of steel. Its external and internal diameters are 10 cm and 8 cm respectively. What is the volume of the steel in the cylinder (in 10–3 m3 and correct up to three decimal places)?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is 2 i.e. 2.376
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Understanding |
Application |
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V = πR2h – πr2h |
V = 264 × 9 = 2376 = 2.376 × 10–3 m3 |
