Ramya bought a rectangular cardboard of length 68/5cm and breadth 45/4 cm respectively. she wanted to cut the rectangular cardboard into rectangles of width 11/5 cm and the length same as that of the cardboard. How many pieces can she cut? Find the dimensions of thr leftover cardboard piece.
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Answer:
Dimension of card board is 4 cm and 2 cm
Then area of cardboard =4×2=8 sq cm
Since the least dimension=2 cm
The greatest possible circle can be have diameter of maximum 2 cm
So radius =
2
d
=
2
2
=1 cm
Then area of circle=πr
2
=π(1)
2
=π sq cm
So remaining area=(8−π) sq cm
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