Question

find circumference of inner circle and outer circle of the given figure.(pie=3.14)​

Answer 1

Answer:

circumference of inner circle = Pi x radius

                                                =  3.14 x 3

                                                = 9.42 (answer)

circumference of outer circle = Pi x radius

                                                 = 3.14 x 4

                                                 = 12.56 (answer)