I have:
Who has: two lines that intersect to form right, or 90 degree, angles? /

I have: regular polygon

Who has: angles that are in the same position in different figures?
I have: perpendicular lines
Who has: a triangle with all angles less than 90 degrees? / I have: corresponding angles
Who has: a line segment with one endpoint at the center of a circle and the other endpoint on the circle?
I have: acute triangle
Who has: a triangle with one angle greater than 90 degrees? / I have: radius
Who has: a line segment that passes through the center of a circle and has its endpoints on the circle?
I have: obtuse triangle
Who has: a triangle with one right angle? / I have: diameter
Who has: a part of a circle, named by its endpoints?
I have: right angle
Who has: a polygon in which all sides are congruent and all angles are congruent? / I have: arc
Who has: lines in a plane that are always the same distance apart?
I have: parallel lines
Who has: a part of a line with two endpoints? / I have : adjacent angles
Who has: a pair of opposite congruent angles where two lines intersect?
I have: line segment
Who has: a part of a line with a single endpoint? / I have: vertical angles
Who has: two angles whose measures have a sum of 90 degrees?
I have: a ray
Who has: an angle whose measure is greater than 0 degrees and less than 90? / I have: complimentary angles
Who has: two angles whose measures have a sum of 180 degrees?
I have: acute angle
Who has: the point where two rays meet? / I have: supplementary angles.
Who has: a line segment with it’s endpoints on a circle?
I have: vertex
Who has: angles that are side by side and have a common vertex? / I have: a chord
Who has: