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The sides of a triangular field are 165 cm, 143 cm and 154 cm. Find the cost of blowing it at 12 paise per square metre.

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The sides of a triangular field are 165 cm, 143 cm and 154 cm. Find the cost of blowing it at 12 paise per square metre.

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Given : The sides of  a triangular field are 165 cm, 143 cm and 154 cm.

             Perimeter of a triangle  P = a + b + c

                                                      = 165 + 143 +154

                                                      = 462 cm.

Given :  cost of blowing = 12 paise per square metre.

              Amount = 462 * 12

                           = 5544.

             Rupees = 5544 / 100

                          =  55.44
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