Find the volume of a cone of radius 3.5cm and vertical height 12cm. [Take π = 22/7]

  • A 15.5cm\(^3\)
  • B 21.0cm\(^3\)
  • C 142cm\(^3\)
  • D 154cm\(^3\)
waec 2022mathematics

The correct answer is D. 154cm\(^3\)

volume of a cone = â…“ π r2h â†’ \(\frac{1*22*3.5*3.5*12}{3*7}\)

= 154cm\(^3\)

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