Two lines extend from point S to create a right angle. The vertical line extends from point S through point R. The horizontal line extends right from point S through point T. A third line extends right and up from point S through point U.

Which undefined term can contain parallel lines?
Which is defined using the undefined terms point and line?
Which pair of undefined terms is used to define a ray?
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.





Which undefined term is used to define an angle?
Which pair of undefined terms is used to define the term parallel lines?
Which figure represents an undefined term?




The definition of a circle uses the undefined term _______.
Which is a property of an angle?
Circle X is shown. Points W, Y, and Z are on the circle. Lines are drawn through each point on the circle.

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