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Each dimension contributes a factor - Paper 1
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
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A solid and its enlargement are geometrically similar, with length scale factor 2. The smaller surface area is 18 square centimetres and volume is 20 cubic centimetres. Every corresponding length uses the same factor. Area has two dimensions and volume three; their factors are not just the length factor.
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