Surface Area

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Hard

A concrete garden step is in the shape of a prism with an L-shaped cross-section, as shown in the diagram below.

Calculate the total surface area of the concrete step.

An L-shaped prism. The cross-section has a total length of 15 cm and a maximum height of 10 cm. The first step level is at a height of 5 cm and has a length of 7 cm. The back step level is at height 10 cm and has a length of 8 cm. The width (depth) of the step is 20 cm.

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Surface Area Questions

Practise Eduqas GCSE Maths Surface Area with exam-style questions for Foundation and Higher tier. 25 questions, matched to the Eduqas GCSE Maths (C300QS) specification and written in Component 1 and Component 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.