Lines
Angles
Shapes
Congruence
Symmetry
100
This is a part of a line, with one endpoint, extending forever in only one direction.
What is a ray?
100
This is the name of an angle that is between 90 and 180 degrees.
What is an obtuse angle?
100
This type of triangle has no congruent sides or angles.
What is a scalene triangle?
100
This type of transformation of a figure gives it a mirror image over a line.
What is reflection?
100
A line of reflection is also known as _______________.
What is a line of symmetry?
200
The point halfway between the two endpoints of a line segment is called this.
What is a midpoint?
200
This is the point of an angle where the two rays meet.
What is a vertex?
200
This is a quadrilateral with both pairs of opposite sides parallel.
What is a parallelogram?
200
When two figures have the same size and shape, they are ______________ figures.
What is congruent?
200
A figure has this type of symmetry if it can be reflected onto itself.
What is reflection symmetry?
300
This is the name given to lines that pass through the same point.
What are intersecting lines?
300
Two angles whose measures add up to 90 degrees are these types of angles.
What are complementary angles?
300
A line segment that connects the center of a circle to a point on the circle
What is a radius?
300
This type of transformation moves a figure in a straight direction without rotating or reflecting it.
What is translation?
300
If a figure rotates 90 degrees to the left, it rotates going this direction.
What is counterclockwise?
400
These are lines in the same plane that never intersect.
What are parallel lines?
400
Two angles whose measures add up to 180 degrees are these types of angles.
What are supplementary angles?
400
A line segment through the center of the circle that connects two points on a circle
What is a diameter?
400
This type of transformation moves a figure clockwise or counterclockwise about a point.
What is rotation?
400
A figure has this type of symmetry if it rotates onto itself in less than a full turn.
What is rotational symmetry?
500
These are intersecting lines that form a right angle.
What are perpendicular lines?
500
A pair of angles with a common vertex and a common side but no common interior points are these types of angles.
What are adjacent angles?
500
This is a parallelogram with all sides congruent.
What is a rhombus?
500
This type of transformation is a translation followed by a reflection.
What is a glide reflection?
500
This shape can be reflected or rotated in any way and it will still be the same exact shape.
What is a circle?
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