SECTION-C
27. A spiral is made up of successive semicircles with centres alternately at A and B, starting with centre
at A, of radii 0.5 cm, 1.0 cm, 1.5 cm, 2.0 cm...... as shown in fig.
Based on the above information, answer the following questions.
(i) Find the series made up of the length of semicircle.
(ii) Find the length of 10th semicircle.
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You can see in the given photo .
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