Question

find the area of a ring whose outer and inner radii are 15 cm and 6 CM respectively. ​

Answer 1

Answer:

outer radii =15 cm

inner =6 cm

area of the ring = 22/7(R+r)(R-r)

=22/7(15+6)(15-6)

=22/7*21*9

=594

Answer 2

Answer:

594 I hope this is correct answers