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the edges of a triangular board are 6cm 8cm and 10cm the cost of painting it at the rate70 paise per centimetre square |
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Answer» Step-by-step EXPLANATION: s=sum of edges/2 so s=12 s= HALF of perimeter 12×(12-6)×(12-8)×(12-10)=576 square ROOT of 576 = 24 so the area of board is 24cm² now multiply 24×70=1680 |
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