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The images of a triangular board …

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The images of a triangular board are 6cm 8cm and 10cm the cost of a painting it at the rate of 9paise cm² square is
  • 1 answers

Chaithanya Kumar 8Th Class 3 years, 1 month ago

Semi perimeter = 6+8+10/2 = 24/2 = 12cm. Area of triangle = √12(12-6)(12-8)(12-10) = √576 = 24 cm2 Cost = 0.09×24 = 2.16 rupees
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