Show:
Angles
Lines
Prefixes
Shapes
100
90 Degrees
What is a right angle?
100
Two lines that never intersect.
What are parallel lines?
100
Tri.
What is three?
100
5 sides.
What is a pentagon?
200
See Figure A.
What is an acute angle?
200
Two lines that intersect to form square corners.
What are perpendicular lines?
200
Pent-
What is five?
200
See Figure B.
What is a Hexagon?
300
Greater than 90 degrees.
What is an obtuse angle?
300
Lines that are neither parallel or perpendicular.
What are oblique lines?
300
Oct.
What is eight?
300
Another name for a quadrilateral.
What is a square? (rectangle, rhombus, parallelogram, trapezoid...etc.)
400
180 degrees.
What is a straight angle?
400
Lines on the same surface that are not parallel.
What are intersecting lines.
400
Poly.
What is many?
400
Two characteristics of a polygon.
What are straight sides and closed?