Answer:
C. 21.98
Step-by-step explanation:
In this case, you would have to multiply 3.14 times 7. If you didn't have the diameter, and all you had was the radius, you had find half of seven, which is 3.5, multiply that by 2, and finally multiply that answer by 3.14. Hope this helps! Have a nice day :D
Answer:
Its value is 1/7.
I hope this will help you.
line up your decimals and then multiply like usual, next count how many places after the decimal your problem(s) was and place it to your answer
