This task is about estimating the square root of an area.
Liam, Beth and Caleb each have a square flower-bed. The length of each side of the square flower-bed (x) is equal to the square root of the area of the flower-bed.
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Liam has a square flower-bed with an area of 25 m2. What is the length of each side of his flower-bed?
__________ m
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| b) |
Beth has a square flower-bed with an area of 10 m2. The length of each side is somewhere between 3 and 4 metres.
Without using a calculator explain how you know the length is within this range.
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| c) |
Caleb has a square flower-bed with an area of 40 m2.
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i)
ii)
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The length of each side is between ___________ and __________ metres.
Without using a calculator explain how you know the length is within this range.
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