in a building there are 30 pillars.The diameter is 56 and hieght is 4m.Find the total cost of painting the curved surface area of all pillars at the rate of 80 RS PER METER SQUARE
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In geometry, an equilateral triangle is a triangle in which all three sides have the same length. In the familiar Euclidean geometry, an equilateral triangle is also equiangular; that is, all three internal angles are also congruent to each other and are each 60
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