A. Formula: 2r
Radius x 2 is the diameter
Answer: so multiply 5x2 and get 10 inches diameter
B. Formula: C=2πr
Circumference is 2 x pi x radius
Answer: multiply 2 x π x 5 to get a circumference of 31.41593 which you should probably write simplified as 31.42
Side Note: Hoping I can get that brainliest lol
