Question

5. If it costs Rs.1600 to fence a rectangular park of length 20 m at the rate of
325 per ma, find the breadth of the park and its perimeter. Also, find the
area of the field.​

Answer 1

Answer:Total cost = 1600

Rate of fence= 25

Then Area of rectangular park = Total cost /Rate of fence

                                               =1600/25

                                                =64 m^2

Therefore, area = 64m^2

Length of the park = 20 m

Breadth = ?

Area of rectangle = Length * Breadth

                   64           = 20* Breadth

                    64/20 = breadth

                   3.2 m = breadth

Therefore breadth is 3.2 m

So perimeter of the rectangular park = 2(length+breadth)

                                                          = 2(20+3.2)

                                                            = 2*23.2

                                                            =46.4 m

So we found Breadth which is 3.2 m

                     Perimeter which is 46.4 m

                      Area which is 64 metre square

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Answer 2

Answer:

Total cost = 1600

Rate of fence= 25

Then Area of rectangular park = Total cost /Rate of fence

=1600/25

=64 m^2

Therefore, area = 64m^2

Length of the park = 20 m

Breadth = ?

Area of rectangle = Length * Breadth

64 = 20* Breadth

64/20 = breadth

3.2 m = breadth

Therefore breadth is 3.2 m

So perimeter of the rectangular park = 2(length+breadth)

= 2(20+3.2)

= 2*23.2

=46.4 m

So we found Breadth which is 3.2 m

Perimeter which is 46.4 m

Area which is 64 metre square

I hope it helped you