the sides of triangle shaped sheet are 5cm , 12cm and 13cm . find the cost of painting on the sheet at the rate of ₹30 per cm2
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$900
Step-by-step explanation:
total cm= 5+12+13cm
= 30cm
the cost of 1 cm painting on the sheet is rs. 30
the cost of 30cm painting on the sheet is rs. 30×30
= rs. 900
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