A cylinder has base radius cm and height cm. Find its volume in cm.

Answer and explanation

Correct answer: D.

  1. Step 1: Volume of a cylinder .
  2. Step 2: .
Answer
.
Why not the others: : the radius is not squared. : that is the curved-surface-area style formula. : an extra factor 3 from the cone formula.

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A cylinder has base radius 5 cm and… | HKDSE (Hong Kong)