Cherie61 Cherie61

31-03-2018
Mathematics

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Find the perimeter of a rectangle measuring 3 cm by 12 cm

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Bryancohen Bryancohen

31-03-2018

Hey there!

A rectangle has 2 pairs of equal sides. So there’s two sides with 12 cm and 2 sides with 3 cm. Add these together. 12+12+3+3=30cm. The perimeter of the rectangle is 30cm.

I hope this helps!

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aisha39 aisha39

31-03-2018

The parallel lines on a rectangle are equal so it would be 3+3+12+12=30

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