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​Q28: Question – Paper 2 – June 2018
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Question
28)
​The length of each side of a regular pentagon is 8.4 cm to 1 decimal place.

​a) Complete the error interval for the length of one side.
________________ cm ⩽ length < ________________ ​ cm
[2 marks]​

​b) Complete the error interval for the perimeter.
________________ cm ⩽ perimeter < ________________ ​ cm
[1 mark]​