15. The shaded area in Fig. 17.19 between thecircumferences of two con – InterviewSolution

1.	15. The shaded area in Fig. 17.19 between thecircumferences of two concentric circles is346.5 cm2. The circumference of the inner circle is88 cm. Calculate the radius of the outer circle.(Take 22)(ICSE 1995)-π =Fig. 17.19
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