Question

the length of a rectangular park is three times breadth. if the perimeter of the park is 192m, find the dimensions of the park​

Answer 1

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Let the length of the rectangle be ‘l’. Let the breadth of the rectangle be ‘b’.

Let the perimeter be ‘P’.

P = 2(l+b)

When P= 60 metre, l = 2b. So,

60 = 2(2b+b)

60 = 2(3b)

60 = 6b

b = 10 metre

To find length, use the equation l=2b.

l = 2*10 = 20 metre

Area of the rectangle = l*b square units.

Area = 20*10 = 200 square metre