25-08-2021
Mathematics

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The length of a rectangle is 3 times its width. The perimeter is 39. Find the length and width of the rectangle.

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Melody08 Melody08

25-08-2021

Answer:

Let width of rectangle be x cm.

3x+x+3x+x=39

8x=39

x=39÷8

=39/8

=4/7/8

3x=39/8×3

=117/8

=14/5/8

Hence, length=14/5/8cm while width=4/7/8cm.

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