This task is about using a smaller shape to work out the area of a larger shape.
| a) | Which of the 3 shapes above (A, B, C) would be the best to measure the area of the envelope? (select one) | ||
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| b) | Explain your reasons for your choice in a) in the space below. | ||
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| c) | Show how to work out the area of the envelope. | ||
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