Question

8. 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, 10 cm, 1.5 cm, 20cm... as shown in
Fig. 5.4. What is the total length of such a spiral made up of thirteen consecutive
22
cel
semicircles? ​

Answer 1

Step-by-step explanation:

above attached is my way