Rectangular wall MNOP of a kitchen is covered with square tiles of 15cm length (Fig. 6.19). Find the area of the wall.


Number of square tiles = 28


Length of square tile = 15 cm.


Area of square tile = 15 × 15


= 225 sq.cm


Area of 28 tiles = 225 × 28


= 6300 sq.cm


Area of wall = 6300 sq.cm


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