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

User Calrion
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The parallel lines on a rectangle are equal so it would be 3+3+12+12=30
User Utku Zihnioglu
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8.6k points
4 votes
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!
User Kazuaki Suzuki
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8.3k points
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