Question

find the area of
a triangular field, two
sides of which are 510m and 520m and the
perimetey is 1560 m plso find the cost of the field at the rate of rs.21 per m^2​

Answer 1

Answer:

Let  , and  

                       S       = 1 half left parenthesis a plus b plus c right parenthesis equals 1 half left parenthesis 275 plus 660 plus 715 right parenthesis equals 825

        Area of the triangle is given by

                            =  

                                =  

                                =  

        Thus,                   area of field = 90750 m2

        Now,       the cost of cultivating 10000m2 = Rs. 200

         The cost of cultivating the given field = Rs.200 over 10000 cross times 90750  

                                = Rs. 1815

Step-by-step explanation:

Answer 2

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