Question

what is the circumference of radius 15 cm and diameter 30 cm​

Answer 1

Answer:

Step-by-step explanation:

First if the radius is 15 and the diameter is 30 then we have to multiply them both

And then we get the circumference

As mentioned above this question is solved below

15*30=450 is the circumference

Answer 2

Answer:

660

Step-by-step explanation:

2×π×radius