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A spiral is made up of successive semicircles, with centres alternately at A and B,

asked Mar 14, 2018 in Mathematics by paayal (26,720 points)

A spiral is made up of successive semicircles, with centres alternately at A and B, starting with cnetre A, fo radii 0.5 cm, 1 cm, 1.5 cm, 2 cm, …….. as shown in the figure. What is the total length of such spiral made up of thirteen consecutive semicircles?

1 Answer

answered Mar 14, 2018 by sanjaydas (61,430 points)
selected Mar 15, 2018 by faiz

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A spiral is made up of successive semicircles, with centres alternately at A and B,

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