Question

the edge of a cube is 6m it is to be painted at the rate of rs 30 per m find the cost of painting of the cube

Answer 1

$<b> <h3>side = 6 m area of 4 walls +area of ceiling. 4 *side ^2+ side * side 4*6^2+6*6 144 + 36 =180 m^2 cost of painting per metre square is rupees 30 cost of painting 45 m ^2 =180 *30 = 5400rupees$