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Question
Find the total cost of painting and fencing the given area, if the cost of painting is ₹6/sq. m. and the cost of fencing is ₹8/m. [5 marks]
\( 41 m \)
\( 42 m \)
\( 41 m \) \( 42 m \)
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Solution
Total area of the given figure = 41 ×42 = 1722 sq m
Perimeter of the given figure = 41 + 42 + 41 + 42 = 166 m
Cost of painting 1 sq.m = ₹6
Total cost of painting = 1722 ×6 = ₹10332
Cost of fancing 1 m = ₹8
Total cost of fancing = 166 ×8 = ₹1328
Total cost of painting and fancing = ₹11,660.
Perimeter of the given figure = 41 + 42 + 41 + 42 = 166 m
Cost of painting 1 sq.m = ₹6
Total cost of painting = 1722 ×6 = ₹10332
Cost of fancing 1 m = ₹8
Total cost of fancing = 166 ×8 = ₹1328
Total cost of painting and fancing = ₹11,660.
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