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Scorpion4ik [409]

3 years ago

8

The length of a rectangle is twice its width. if the perimeter is 72 meters, find the length and width of the rectangle

1 answer:

madam [21]3 years ago

6 0

Length(l)= 2w
width(w)= w

Perimeter(P)= 2w+2l= 72 (simplify expression: divide each side by 2 )
P= w+l= 36 (plug in "2w" for "l")
P= w+(2w)= 36
P= 3w= 36 (divide each side by 3 to find the width)
w= 12 units

find length:
l=2w
l= 2(12)
l= 24 units

Answer:
The length of this rectangle is 24 units and the width is 12 units.

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