Question

The side of a rectangular Park are in the ratio 5 : 4 its area is 3380 meter square. find the cost of fencing the park at the rate 75 per metre square .​

Answer 1

heyyya dude,

let the side of the rectangle be 5x and4x

now,

area of the rectanglepark =length×bredth

3380m²=4x×5x

3380m²=20x²

x²=3380m²/20

x²=169m²

x=√169m²

x=13m

so length =5x=5×13=65m

bredth =4x=4×13=52m

now,

premeter of rectangle =2(length+breadth)

=2(65+52)m

=2×117m= 234m

cost of one meter=75rupee

cost of 234meter=75×234rupee

=17550rupee

maybe this is helpful to you

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Answer 2

Answer:

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