Angles
As the World Turns
Line Relationships
Triangles & Lines
Polygons
100

An angle equal to 180 degrees.

Straight

100

The measure of this is 360 degrees

Circle or one whole turn

100

A figure that has 2 end points.

Line segment

100

This triangle has 3 EQUAL sides.

Equilateral triangle

100
Polygon with 3 sides
What is a triangle
200

An angle that is greater than 180 degrees, but less than 360 degrees.

Reflex angle

200

1/4 turn is equal to ________ degrees

90 

200

This starts at a point and continues forever in the one direction

Ray

200

This triangle is has all ANGLES less than 90 degrees.

Acute triangle

200
polygon with 8 sides
What is an octogon
300

An angle greater than 0 degrees and less than 90 degrees.

Acute angle

300

1/2 turn is _______ degrees

180

300

Lines that never intersect and are always the same distance apart

parallel lines

300

This triangle has one ANGLE greater than 90 degrees.

Obtuse triangle

300
Polygon with 5 sides
What is a pentagon
400

An angle that measures exactly 90 degrees.

Right angle

400

3/4 of a turn is __________ degrees

270

400

Lines that cross each other, doesn't have to be at 90 degree angles

What are intersecting lines

400

A figure made up of points that goes on and on in both directions.

Line

400
Polygon with 4 sides
What is a quadrilateral
500

An angle that is bigger than 90 degrees and less than 180 degrees.

Obtuse angle

500

How many 1 degree turns is 126/360?

126 turns

500

Lines that cross each other at 90 degree angles.

perpendicular lines

500

A specific place (represented by a dot)

point

500
Polygon with 6 sides
What is a hexagon