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Geometry & MeasuresStudy Notes

Worked Example: Cuboid

Part of Surface Area — GCSE Mathematics

This study notes covers Worked Example: Cuboid within Surface Area for GCSE Mathematics. Revise Surface Area in Geometry & Measures for GCSE Mathematics with 12 exam-style questions and 3 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 4 of 4 in this topic. Use this study notes to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 4 of 4

Practice

12 questions

Recall

3 flashcards

Worked Example: Cuboid

Find the surface area of a cuboid 4cm × 3cm × 2cm.

Solution

SA = 2(lw + lh + wh)

SA = 2(4×3 + 4×2 + 3×2)

SA = 2(12 + 8 + 6) = 2 × 26 = 52 cm²

Keep building this topic

Read this section alongside the surrounding pages in Surface Area. That gives you the full topic sequence instead of a single isolated revision point.

Method: Surface AreaWrapping Paper MathsKey Formulas

Practice Questions for Surface Area

A cuboid has length l, width w and height h. What is its total surface area?

  • A. lw + lh + wh
  • B. 2lw + 2lh + 2wh
  • C. lwh
  • D. 2(l + w + h)
1 markfoundation

Explain how you could use a net to find the surface area of a 3D solid.

2 marksstandard

Quick Recall Flashcards

Surface Area
Sum of areas of all faces
Net
Unfolded 3D shape showing all faces

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Surface Area