Answer:
idk that's weird ( I'm just trying to get more points)
Answer:
C = 2πr = dπ
Step-by-step explanation:
given radius r, the circumference is
2πr, derived from the fundamental theorem of calculus
since diameter d = 2r the circumference is also dπ
The answer is 9. Put 21 over one, cross cancel and then multiply straight across. Hope this helps!
-2x=5 is the right answer
