Lucky Lines
Angle Pair & Your Hair Don't Care.
Beautiful Basics
Amazing Angles
Tricky Triangles
100

Two lines that are an equal distance apart.

What is parallel?

100

Two angles with the same measure.

What is Congruent?

100

The smallest unit in geometry.  It's not a dot!

What is a Point?

100

An angle that is 90 degrees

What is a Right Angle?

100

Triangle with 56°, 34°, 90° angles.

What is a Right Triangle?

200

Two lines that share exactly 1 point.

What is intersecting?

200

The congruent angles formed by intersecting lines.

What are Vertical Angles?

200

It goes on in both directions forever.

What is a Line?

200

What do you call an angle that is greater than a right angle?

What is an Obtuse Angle?

200

Triangle with 110°, 30°, 40°

What is an Obtuse triangle?

300

Two lines that intersect and form 90° angles.

What is perpendicular?

300

Two angles whose sum is 90 degrees

What are Complementary Angles?

300

It starts with an endpoint, and goes on in one direction forever.

What is a Ray?

300

What do you call an angle that is smaller than a right angle?

What is an Acute Angle?

300

A triangle with no congruent sides.

What is Scalene?

400

A two-dimensional geometric shape formed by lines known as the x-axis & y-axis.

What is a coordinate plane?

400

Two angles whose sum is 180 degrees.

What are Supplementary Angles?

400

It has two endpoints that are connected, and can be any length.

What is a Line Segment?

400

What is the name of a 180 degree angle.

What is a Straight Angle?

400

A triangle with 3 congruent sides.

What is an equilateral triangle?

500

The line that intersects parallel lines.

What is a transversal?

500

Two angles that share a ray.

What are Adjacent Angles?

500

A closed figure made up of line segments.

What is a Polygon?

500

What is the name of the common endpoint that two rays have to make an angle.

What is a Vertex?

500

A triangle with 2 congruent sides.

What is an Isosceles Triangle?