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6.04 Volume and surface area of cones

Interactive practice questions

Find the volume of the cone shown, correct to 2 decimal places.  Use the pi button on your calculator for pi.

Easy
Approx 3 minutes
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A podium is formed by sawing off the top of a cone. Find the volume of the podium correct to 2 decimal places.  Use the pi button on your calculator for pi.  

Find the volume of the composite figure shown correct to two decimal places.  Use the pi button on your calculator for pi.

A cone has a volume of $165$165 mm3. If the height and radius of the cone are equal in length, find the radius $r$r in mm, giving your answer to 2 decimal places.  Use the pi button on your calculator for pi.

Outcomes

8.6a

Solve problems, including practical problems, involving volume and surface area of cones and square-based pyramids

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