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if the length of a rectangle is three times its width and its perimeter is 24cm what is the width and length? show all work
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if the length of a rectangle is three times its width and its perimeter is 24cm what is the width and length? show all work

User VMcreator
by
7.8k points

2 Answers

5 votes
l = 3w

P = 24 cm

P = 2(l+w)

24 = 2(l+w)

24 = 2(3w+w)

24 = 2*4w

24 = 8w

w = 3

l = 3w

l = 3*3

l = 9

P = 2(l+w)

24 = 2(9+3)

24 = 2(12)

24 = 24

hope helped
User Abdallah Alsamman
by
7.9k points
3 votes
the area is 6 and 4, and the perimeter is 8 and 4
User ThreeFatCat
by
8.2k points
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