Find the dimensions of a rectangle whose perimeter is 46 m and whose area is 126m

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31-03-2014
Mathematics

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Find the dimensions of a rectangle whose perimeter is 46 m and whose area is 126m

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deathstrike001 deathstrike001 · Answer 1 · 2014-03-31T03:27:34+02:00

deathstrike001 deathstrike001

31-03-2014

The length is 14 and the width is 9 or the length is 9 and the width is 14. Clue is that this:
46=2(l+w)
Divide both sides by 2
23=l+w

Then u have to find a factor that if u multiply it is 126 that add up to 23 which is 14 and 9

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