14. The base of a parallelogram is twice its height. Itsarea is 512 cm2, find its base and height.15. Afloral design on the floor of a building consistsof 2800 tiles. Each tile is in the shape of aparallelogram of altitude 3 cm and base 5 cm. Findthe cost of polishing the design at the rate of 50paise per dm

14. The base of a parallelogram is twice its height. Itsarea is 512 cm

1.	14. The base of a parallelogram is twice its height. Itsarea is 512 cm2, find its base and height.15. Afloral design on the floor of a building consistsof 2800 tiles. Each tile is in the shape of aparallelogram of altitude 3 cm and base 5 cm. Findthe cost of polishing the design at the rate of 50paise per dm
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