Posted by **parth** on Saturday, March 23, 2013 at 12:09am.

from a rectangular piece of metal sheet of length and breadth 1.60 m and 80 cm respectively, 3 circular sheets of 20 cm radius are cut out. what area of metal is left?

- maths -
**Steve**, Saturday, March 23, 2013 at 12:14am
160*80 - 3(pi*20^2)

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