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 There is a flower bed in the shape of a circle.

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There is a flower bed in the shape of a circle.

The flower bed has a diameter of 2.4m

sue is going to put a plastic strip around the edge of the flower bed.

the plastic strip is sold in 2 metre rolls.

How many rolls of plastic strip does sue need to buy.

 

How do i work this out whilst showing all my workings, a calculator can be used, plx help :(

 Jan 11, 2015

Best Answer 

 #1
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The circumference of a circle is given by pi*diameter = pi*2.4m here.  Divide this by 2 metres (and round the result up to the nearest whole number) to find how many rolls of plastic strip are needed.

.

 Jan 12, 2015

1+0 Answers

 #1
avatar+33665 
+5
Best Answer

The circumference of a circle is given by pi*diameter = pi*2.4m here.  Divide this by 2 metres (and round the result up to the nearest whole number) to find how many rolls of plastic strip are needed.

.

Alan Jan 12, 2015

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