Question

the side of grassy square plot is 80 m two cross paths each 4 m wide are constructed at right angles through the centre of the plot such that each path is parallel to the side of the plot determine the total area of the two paths

Answer 1

here is ur answer friend..... in the picture......

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Answer 2

624 $m^{2}$ is the total area of the two paths.

Step-by-step explanation:

Given:

                   Side of the grassy square plot 's' = 80 m

                   width of the cross paths 'w' = 4 m

           So, area of one cross path = s x w

                                                        =  80 x 4

                                                        = 320

As, there are two cross paths. So, net area is

                                                      = 320 x 2

                                                       = 640

Now, resultant area is total area - common area.

                                                       = Total area - (w x w)

                                                        = Total area - (4 x 4)

                                                        = 640 - 16

                                  Resultant area = 624 $m^{2}$