It is 18 because the radius is half the diameter and 9 x 2 = 18.
Answer:
44cm
Step-by-step explanation:
Formula for circumference, C = 2πr
where r is the radius
r = C / 2π
= 
=44 cm
Answer:
4 is answer
Step-by-step explanation:
y=2 x=6-2 x=4
Answer:
STOP
Step-by-step explanation:
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