find the cost of painting a square board of side 44 cm at the rate of rs 7 sq cm
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side of square board = 44 cm
so , the area of the square= side × side
=1936 sq.cm
cost of painting per sq.cm = rs.7
therefore cost of painting for 1936 sq.cm = 7× 1936=rs.13,552
hence , cost of painting a square board of side 44 cm at the rate of rs 7 sq.cm is rs.13,552
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