the length of a rectangular Park is thrice is breadth .
if the perimeter of the hall is 74 . find it length and breadth.
Answers
Answered by
4
let the breadth be x
so the length will be 3x
Perimeter=2(l+b)
74=2(x+3x)
74/2=4x
37/4=x
breadth=x= 9.25
length=3x=3×9.25=27.75
l=27.75
b=9.25
so the length will be 3x
Perimeter=2(l+b)
74=2(x+3x)
74/2=4x
37/4=x
breadth=x= 9.25
length=3x=3×9.25=27.75
l=27.75
b=9.25
Answered by
16
Length of the rectangular park is 58m.
Length of a rectangular park is 2m less than thrice the breadth and perimeter of park is 156m.
Length of the rectangular park.
Let
Breadth of the rectangular park be x
Length of the rectangular park will be 3x - 2
Given
Perimeter of the rectangular park is 156m.
As we know that
Perimeter of the rectangle is
2 (l + b)
Where
l = length of the rectangle
b = breadth of the rectangle
According to question :-
⇒ 2 {(3x - 2) + x} = 156
⇒ 2 {3x + x - 2} = 156
⇒ 2 { 4x - 2 } = 156
⇒ 4x - 2 = 156/2
⇒ 4x - 2 = 78
⇒ 4x = 78 + 2
⇒ 4x = 80
⇒ x = 80/4
⇒ x = 20
Now
Breadth of the rectangular park = x = 20m
Length of the rectangular park = 3x - 2 = 3(20) - 2 = 58m
Hence, the length of the rectangular park is 58m.
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