Multiple choice

If the radius of the base of a cylinder is 25 cm and height is 10 cm, find the volume of the cylinder rounded off to 1 significant figure.

  1. 15000 cm2

  2. 20000 cm2

  3. 25000 cm2

  4. 30000 cm2
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The volume is pi × 25^2 × 10, approximately 19,635 cm^3. Rounded to 1 significant figure, this is 20,000 cm^3. Option B has the correct numerical value, although its unit should be cm^3 rather than cm^2.

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