the parameter of a rectangular summing pool is 154m .its length is2m more than twice its breadth.what are the length and breadth of the pool?
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Answered by
1
Answer:
Let the breadth be x m. The length will be (2x + 2) m.
Perimeter of swimming pool = 2(l + b) = 154 m
2(2x + 2 + x) = 154
2(3x + 2) = 154
Dividing both sides by 2, we obtain
3x + 2 = 77
On transposing 2 to R.H.S, we obtain
3x = 77 - 2
3x = 75
On dividing both sides by 3, we obtain
x = 25
2x + 2 = 2 × 25 + 2 = 52
Hence, the breadth and length of the pool are 25 m and 52 m respectively.
Answered by
3
Answer:
Perimeter of a rectangular pool = 154m
let the breadth = x
length = 2+2x
formula of perimeter of a rectangle = 2(l+b) = 154
then,
= 2(l+b) = 154
= 2(x+2+2x) = 154
= 2x+4+4x = 154
= 6x = 154-4
= x = 150
6
= x = 25m
So, breadth= x =25m and length= 2+2x= 2+25x2 = 52m
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