140 / 100 * X = 56
X = 56 * 100 / 140 = 5600 / 140 = 40
Use Pi, 3.14. Divide the Diameter by 3.14 and you should get your answer. That's all I know.
Answer:
The second answer choice is right
Step-by-step explanation:
The correct answer is 63 i hope this helps out, have a nice day!!!