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Spheres and Cones

Spheres and Cones

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Question 14

A decorative solid marble cone is shown in the diagram below.

Diagram of a solid cone with slant height 12.5 cm and base radius 5.5 cm.

Volume of cone=13πr2h \text{Volume of cone} = \frac{1}{3}\pi r^2 h Volume of cone=31​πr2h Curved surface area of cone=πrl \text{Curved surface area of cone} = \pi r l Curved surface area of cone=πrl

Diagram of a cone showing slant height l, height h, and radius r.

The slant height of the cone is 12.5 cm. The base of the cone has a radius of 5.5 cm.

Work out the total surface area of the cone. Give your answer correct to 3 significant figures.

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Markscheme

Spheres and Cones Questions

  1. GCSE
  2. /Maths
  3. /Spheres and Cones

24 exam-style questions on Edexcel GCSE Maths Spheres and Cones. Each one has a worked solution and a mark scheme showing where the marks go.

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