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A cylindrical container closed at both ends, has a radius of 7cm and height 5cm...

Mathematics
WAEC 1990

A cylindrical container closed at both ends, has a radius of 7cm and height 5cm [Take π = 22/7]. What is the volume of the container?

  • A. 35cm3
  • B. 154cm3
  • C. 220cm3
  • D. 528cm3
  • E. 770cm3
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Correct Answer: Option E
Explanation

Volume = \(\pi r^2 h\)

= \(\frac{22}{7} \times 7^2 \times 5\)

= \(770 cm^3\)


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