4.
A design on the floor of a building is made of 5000 tiles. Each tile is in the shape of
parallelogram 6 cm and base 10 cm. Find the cost of polishing the design at the rate of
13.20 per sq dm.
5. A floor of a building is to be paved with 210 tiles. Each tile is in the shape of a
parallelogram of height 4.2 cm and base 3 cm. Find the cost of paving the tiles at
2.50 per square centimetre.
6. The adjacent sides of a parallelogram are are 15 m and 12 m respectively. The length of
the altitude corresponding to the side 15 m is 9 m. Find the length of the altitude
corresponding to the other side.
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