Multiple Choice
Center point of circle
A) [x1+x2]/2; [y1+y2]/2; [z1+z2]/2
B) [x1-x2]/2; [y1-y2]/2; [z1-z2]/2
C) [x1-x2]; [y1-y2]; [z1-z2]
D) [x2-x1]; [y2-y1]; [z2-z1]
Correct Answer:

Verified
Correct Answer:
Verified
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