a rhombus shaped sheet with perimeter 40cm and one of the diagonal are 12cm is painted on both sides at the rate of ₹8 per m².find the cost of painting
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perimeter = 4x side
side = 40/4 = 10
OB = 6
AB = 10
THEREFORE, AO = 8. (pythgoran triplet)
THEREFORE, DIAGONALS ARE 12cm & 16cm.
AREA = 1/2 (12x16) = 96cm²
TOTAL AREA TO PAINT = 2(96) = 192cm²
cost for painting = ₹8(192) = ₹ 1536
side = 40/4 = 10
OB = 6
AB = 10
THEREFORE, AO = 8. (pythgoran triplet)
THEREFORE, DIAGONALS ARE 12cm & 16cm.
AREA = 1/2 (12x16) = 96cm²
TOTAL AREA TO PAINT = 2(96) = 192cm²
cost for painting = ₹8(192) = ₹ 1536
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Hiteshbehera74:
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