1.

The perimeter of a park is 240 m. The length of the park is 40 m more than that of the breadth. Find the length and breadth of the park. By writing system​

Answer»

Explanation:

given

perimeter = 240m

length 40m more then breath

calculation

let length of the park X meter

then breath = X-30 meter

perimeter = 2(length + breath)

=2 ( X +X-30)

= 2( 2X-30)

= 4X - 60 meter

we know perimeter = 240m

so 4X-60= 240

or. 4x= 300

or X = 75 meter

length of the park is = 75 meter

and breath is = X-30 = 75-30 = 45meter



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