Answers

2016-03-22T14:54:23+05:30
Area of original play ground = 60*40 = 2400m2
area of new playground = 63 *43 ( since extended by 3m ) = 2709m2

extended area = 2709 - 2400 = 309m2
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2016-03-22T14:56:41+05:30
Area of the play ground=l*b
                                     =60*40
                                     =2400m2

lenght of the extended path along the lenght=60+(3+3)   
                                                                       =66m

breadth of the extended path along the breadth=40+(3+3)
                                                                            =46m

area of both extended area and play ground =46*66 
                                                                         =3036m2
area of the extended path=area of both  - area of play ground
=3036-2400
=636m2
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