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A garden centre sells square slabs which can be used to surround ponds  

Member rating: 4 out of 10 stars (2 votes) | Words: | Submitted: Thu Jul 11 2002

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A garden centre sells square slabs which can be used to surround ponds. Aim = To investigate how many slabs are needed to surround a square pond. To investigate my aim I will need to use the formula for the perimeter of a square. I have been told that a square pond with the dimensions of 1x1 needs 8 slabs, a square pond with the dimensions of 2x2 needs 12 and a square pond when the dimensions are 3x3 16 slabs are needed. Knowing the answers to the first few sizes and also knowing that I will have to work out the perimeter of the pond. To work out the perimeter of a square the formula is 4n. Using this 4x1=4. I need 8 slabs so that it goes all the way around the pond. I need four more. That makes 8. I will try using the formula 4n+4 to see how many slabs are...

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