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# The length of a rectangle is three times its width. If the perimeter is 84 meters. Find the length of the rectangle

**Given:** The length of a rectangle is three times its width, perimeter is 84 meters

**To find **: Length of rectangle

**Solution: **

Let the width be x

So length will be 3x

Perimeter of Rectangle = 2( l + b)

2(x+3x) = 84

2x + 6x = 84

8x = 84

x = 10.5m

Width =x = 10.5 m

Length = 3 $\times$ 10.5 = 31.5m

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