Which is a property of an angle?
Which defines a circle?
Vertical line q goes through plane H in the center at point X. Line t comes out of point X. Lines r and s are parallel and are at a right angle to line q. Line p goes through lines r and s.

Circle X is shown. Points W, Y, and Z are on the circle. Lines are drawn through each point on the circle.

Which is the definition of a ray?
Which is the definition of a line segment?
Which undefined term is used to define an angle?
Which undefined term can contain parallel lines?
Which pair of undefined terms is used to define the term parallel lines?
3 lines are shown. One line has points B, A, and E. Line C, A, F intersects that line at point A. A line comes out of point A and goes through point D.





The definition of a circle uses the undefined term _______.
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