Question

A spiral is made up of successive semicircles, with centres alternatively at A and B starting with centre of A of radii 0.5cm, 1.0cm , 1.5 cm, 2.0 cm . What is the total length of such a spiral made up of thirteen consecutive semicircles.


Answer correctly and with step by step explanation.Wrong answers will be reported. ​

Answer 1

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$\huge\boxed{Answer}$

$Total \: length = 143 \: cm$

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Answer 2

Answer:

Please refer the attachment dear.

Hope it helps u.

The length of 13 consecutive semicircles is 143.