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GaryK [48]
3 years ago
8

The length of a rectangle is 3 time the width. the perimeter is 65.6 cm. find the width.

Mathematics
2 answers:
Sever21 [200]3 years ago
5 0
The width is 8.2
Perimeter = 2W + 2L (there are four sides of a rectangle, two longer sides, two shorter, W and L) 

<span>65.6 = 2W + 2L 
</span><span>L = 3W so substitute 3W in for L </span>
<span>65.6 = 2W +2 (3W) </span>
<span>65.6 = 8W </span>
<span>W = 8.2 cm </span>
<span>L = 3(8.2) </span>
<span>L = 24.6cm </span>
Bumek [7]3 years ago
5 0
I misread the question.
3w=l
2l+2w=65.6
8w=65.6
w=8.2
l=24.6
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