Answer:
40π feet
Step-by-step explanation:
Using the diameter of a circle you can find the circumference much easily than the radius. To find circumference with diameter you would do π×d or in this case π*40 which would give you the answer 40π.
Does this have certain answers?
Answer:
hi so its actually illegal i think to do that but you can buy one online!
Step-by-step explanation:
Answer:
C. 81
Step-by-step explanation:
x^2-18x+81
(x-9)(x-9)
