viktorfedorovang viktorfedorovang

23-06-2021
Mathematics

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A rectangle has a perimeter of 18 cm. The long side is 1 cm more than three times the small side. How big is the small side?

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luiv1830 luiv1830

23-06-2021

Let small side be X

Larger side=3X+1

l+b=perimeter/2

3X+1+X=18/2

4X+1=9

4X=9–1=8

X=8/4=2

Smaller side(b) =2 inch

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