Question

The edges of a triangle board are 6 cm , 8cm and 10cm . Find the cost of painting it at the rate of a paise per cm2

Answer 1

Answer:

Since, the edges of a trianglular board are a = 6 cm, b=8 cm and c=10 cm. <br> Now, semi-perimeter of a triangular board. <br><br><br><br><br><br><br><br> Since, the cost of painting for area 1<br>Cost of paint for area 24=rupee 2.16 <br> Hence, the cost of triangular board is rupee 2.16

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