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A circularpaper is folded along its diameter , then again it is folded to form a quadrant . Then it is cut as shown in the figure , after it the paper wasreopened in the original circularshape . Find the ratio of the original paper to that of the remaining part ? ( The shaded portion is cut off from the quadrant . The radius of quadrant OAB is 5 cm and radius of each semicircle is 1 cm ) : |
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Answer» `25:16` |
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