The circumference of the circle is 762π cm.
<h3>What is length of arc of a circle?</h3>
The length of arc a circle can is determined with the radius and central angle of the arc.
The radius of the circle is calculated as follows;

The circumference of the circle is calculated as follows;

Learn more about circumference of a circle here: brainly.com/question/9782777
Answer:

Step-by-step explanation:
Let's use a start by using common denominators.
and 
Now, replace the original equation with the common denominators. 
Solve! 
The answer is true for apex
Answer:
73-1= 72
Step-by-step explanation:
$33.33
20/9 = $2.22 per sheet
$2.22*15 = $33.33