Points, Lines, and Rays
Angles
Parallel and Perpendicular Lines
Identifying Shapes
Triangles
100
Extends forever in both directions.
What is a line
100
This angle measures EXACTLY 90°
What is a right angle
100
Parallel lines are
What is always the same distance apart
100
Has opposite sides that are parallel
What is a parallelogram
100
Has three acute angles
What is an acute triangle
200
A piece of a line. Its ends are marked by endpoints.
What is a line segment
200
An angle that measures 65°
What is an acute angle
200
Meet at a 90° angle
What is perpendicular lines
200
Has four right angles. It has opposite sides that are parallel.
What is a rectangle
200
Has one right angle
What is a right triangle
300
Starts with an endpoint and extends forever in one direction.
What is a ray
300
An angle that measures 100°
What is an obtuse angle
300
A trapezoid has only one pair of
What is parallel lines
300
Has only one pair of parallel lines.
What is a trapezoid
300
Has one obtuse angle
What is an obtuse triangle
400
The symbol for a ray.
What is -->
400
∠ABC=125° ∠DBC=90° ∠ABD=?
What is 35°
400
Lines that form a "t" are
What is perpendicular lines
400
a parallelogram with all sides the same length
What is a rhombus
400
Triangle has one angle that measures 135°
What is an obtuse triangle
500
A fixed location in space
What is a point
500
∠XYZ=180° ∠WYZ=125° ∠XYW=?
What is 55°
500
Line A and Line B are lines that never meet. What am I?
What is parallel lines
500
a two-dimensional figure with line segments for sides
What is a polygon
500
Triangle that has one angle that measures 90°
What is right triangle