the radius: r^2 = 81
r =9
c = 2*pi*r
= 2 * pi * 9
= 18 *pi
Answer: 18*pi or approximately 56.62
<h2>this is a PICTURE </h2>
<h3>i HOPE IT'S HELP </h3>
Answer:
12.25 i think sorry if im wrong
Step-by-step explanation:
Answer:
send the graph and ill solve it
Step-by-step explanation: