Answer:
A. 56.52 inches
Step-by-step explanation:
the Circumfernce = 2 x π x r
= 2×3.14×9
= 3.14×18
= 56.52 inches
3,4,55 by-step explanation:
Image #1) x=0
Image #2) y= 4
x= 4
y= x
y= -x+8