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Q. |
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] |
Answer» A. [x1+x2]/2; [y1+y2]/2; [z1+z2]/2 |
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