the length of the rectangle is two and a half times its width. if the perimeter of the rectangle is 84m , then find its dimension.
Answers
Answered by
1
Answer:
Step-by-step explanation:
L=2and1/2 w
Given
Perimeter=Lw=84
5/2w*w=84
w^2=84*2/5
w=5.78m
L=5.78*5/2=14.45m
Answered by
1
Answer:
width - 12m, length = 30 m
Step-by-step explanation:
Given,
Width = x m
Length = 2.5 x m
Perimeter = 84 m
Perimeter = 2(l + w)
84 = 2 (2. 5 x + x)
84 = 2 * 3.5x
84 = 7 x
84/7 = x
12 = x
That is width = 12m
length = 2.5 * 12 = 30 m
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