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Q: What is the perimeter of a rectangle 12cm by 5cm?

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If it's a 12 by 5 rectangle then the perimeter is: 12+5+12+5 = 34 cm

16 cm 5cm+5cm+3cm+3cm=16cm

12+12=24 8+8= +16 The perimeter =40cm2

Assuming that this is a rectangle, you know that the length (longer side) would be 7cm, and the width (shorter side) would be 6cm. The formula for perimeter is, 2(length) + 2(width) = Perimeter Now we can plug in our numbers, 2(7cm) + 2(6cm) = 14cm + 12cm = 26cm The perimeter would be 26cm, assuming that this is a rectangle ^^

Assuming no fractional dimensions, least possible area would be a rectangle measuring 1cm x 9cm. Area increases to a maximum of 25 sq cm when shape is square, ie 5cm x 5cm.

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