The circumference of a circle is 2•3.14(Pi)•R(radius) or 3.14(Pi)•D(diamater).
Since we have our diameter, 60, we need to multiply it by Pi.
60Pi is your answer.
I hope this helps!
Step-by-step explanation:
Scientific notation : 6.04 * 10^-5.
X=90 degrees you can get the answer by adding up all the angles
If the series is A B C D then the next one is E