(d) cant veelelaluA circular paper is folded along its diameter, then again it isfolded to form a quadrant. Then it is cut as shown in theBfigure, after it the paper was 0reopened in the original circularshape. Find the ratio of theoriginal paper to that of theremaining paper? (The shadedportion is cut off from thequadrant. The radius of quadrantOAB is 5 cm and radius of eachsemicircle is 1 cm) :(a) 25: 16(b) 25:9(c) 20:9(d) none of these​

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