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Broad Topics > Measures and Mensuration > Upper and lower bounds of measures

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Approximately Certain

Stage: 4 and 5 Challenge Level: Challenge Level:2 Challenge Level:2

Estimate these curious quantities sufficiently accurately that you can rank them in order of size

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Where Am I?

Stage: 3 and 4 Challenge Level: Challenge Level:1

From the information you are asked to work out where the picture was taken. Is there too much information? How accurate can your answer be?