Answer: 39.9797217047
Step-by-step explanation:
2πr = 251.2
πr = 125.6
r = 39.9797217047
Answer:
21 in.
Step-by-step explanation:
The radius is half of the diameter. The diameter (as shown) is 42 inches. Divide that by two to get 21 in.
A^2+b^2=c^2 so 4(4) +3(3) is 16+9= 25 and the square root of that is 5.