Surface area of cones

Sample Surface area of cones questions

A few of the 9 questions, from easier to harder. Choose your exam board and tier to practise them, with every answer marked.

1. Question 12 marksGrade 3-4
   A cone has a base radius of $8$ cm and a slant height of $10$ cm. Calculate the total surface area of the cone. Give your answer correct to 1 decimal place. Remember to include the circular base.
   Show the worked solution

   Surface area of cone $= \pi r^2 + \pi r l$

What are the common mistakes in Surface area of cones?

When a pupil makes one of these on Revision Workshop, the marking engine names the mistake and explains it, instead of just marking the answer wrong.

• Omits the circular base's area when finding a cone's total surface area

  Calculated only the curved surface $\pi r l = \pi \times 3 \times 5 \approx 47.12$, forgetting to add the circular base $\pi r^2$

Quick answers about Surface area of cones

How many Surface area of cones practice questions are there?

There are 9 self-marking GCSE and IGCSE Maths questions on Surface area of cones, written for AQA, Pearson, OCR, Pearson International GCSE Maths A (4MA1), Cambridge IGCSE Mathematics (0580), Cambridge IGCSE (9-1) Mathematics (0980) across Foundation and Higher and Extended tier. Each one is marked instantly and has a full worked solution.

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