Asked by Miyuki
A Rectangular garden has length twice its width. The perimeter of the garden is 54 m. What is its perimeter?
Answers
Answered by
Bosnian
L = 2 W
P = 2 L + 2 W = 2 ( L + W )
P = 54
2 ( L + W ) = 54 Divide both sides by 2
L * W = 54 / 2
L + W = 27
Replace L = 2 W in this equation.
2 W + W = 27
3 W = 27 Divide both sides by 3
W = 27 / 3
W = 9 m
L = 2 W = 2 * 9 = 18 m
Proof:
P = 2 ( L + W ) = 2 ( 18 + 9 ) = 2 * 27 = 54 m
P = 2 L + 2 W = 2 ( L + W )
P = 54
2 ( L + W ) = 54 Divide both sides by 2
L * W = 54 / 2
L + W = 27
Replace L = 2 W in this equation.
2 W + W = 27
3 W = 27 Divide both sides by 3
W = 27 / 3
W = 9 m
L = 2 W = 2 * 9 = 18 m
Proof:
P = 2 ( L + W ) = 2 ( 18 + 9 ) = 2 * 27 = 54 m
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