Answer: 113.1
Step-by-step explanation:
Diameter = 12
We must find the radius. To do so, we divide the diameter by 2.
Radius = 6
Formula for finding the area of a circle: πr²
π = 3.14159265359
3.14159265359 × 6²
6 × 6 = 36
3.14159265359 × 36 = 113.097335529
Rounded to the nearest tenth = 113.1