The largest possible circle is cut from a rectangular sheet 20 cm long and 14 cm wide. Taking π = 22/7, what area of the sheet is left over?
Correct answer A. 126 sq cm
Explanation
The largest circle has diameter 14 cm, so r = 7 cm and area = 154 sq cm. Remaining = 20 x 14 - 154 = 280 - 154 = 126 sq cm.
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