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प्रश्न
Rectangular wall MNOP of a kitchen is covered with square tiles of 15cm length (see figure)). Find the area of the wall.
उत्तर
In rectangular wall MNOP,
Number of square tiles = 28 Length of one square tile = 15 cm In square, all sides are equal
∴ Area of one square tile = Side × Side = 15 × 15 = 225 cm2
Area of 28 tiles = 225 × 28 = 6300 sq cm
Hence, total area of wall MNOP is 6300 sq cm.
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