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24-10-2018
Mathematics

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Find the perimeter and area of a rectangle of cardboard measuring 18.2 cm by 6.2 cm

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24-10-2018

Perimeter = length + length + width + width
Substitute values in (18.2 is length, 6.2 is width)
Perimeter = 18.2 + 18.2 + 6.2 + 6.2
Perimeter = 48.8

Area = length x width
Sub in values
Area = 18.2 x 6.2
Area = 112.84

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