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The length of a rectangle is three times the width. Find the width if the perimeter is 80 cm.
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Sagot :

Answer:

Step-by-step explanation:

The length of a rectangle is three times the width. Find the width if the perimeter is 80 cm.

PERIMETER = 2L +2W

L=3W

PERIMETER= 2(3W) +2W

80= 6W +2W =8W

80=8W

W=10

L=3X10=30

CHECK]

(2x10) + (2X30) =20+60=80

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