Answer:
The answer is 132.665, but if you want to round it to the nearest tenth it would be 132.7. (Hope it helps!)
Step-by-step explanation:
Diameter=13
13 divided by 2= radius
13 divided by 2=6.5
Multiply radius twice and by 3.14.
6.5 x 6.5 x 3.14= 132.665 or 132.7