Triangles
Angles
Theorems
Vocab
Halloween Misc.
100

The sum of all three angles in a triangle will always equal this.

180 degrees

100

A right angle will always equal this.

90 degrees

100

A triangle is given with all three sides but no angles.

SSS postulate

100

A line that starts and ends at designated points.

Line Segment

100

Before pumpkins, this vegetable used to be carved to create Jack O'lanterns on Halloween in Ireland.

Turnips

200

A triangle with all equal sides and angles.

Equilateral Triangle

200

Two angles that combine to form 180 degrees

Supplementary Angles

200

A triangle that gives you one angle between two sides.

SAS postulate

200

A line that cuts a line, angle, or shape into two equal parts.

A bisector

200

From top to bottom, what are the three colors in candy corn?

White, orange, and yellow

300

A triangle with two equal angles and two equal sides.

Isosceles Triangle

300

Two angles that combine to form 90 degrees.

Complementary Angle

300

Two angles across from each other will be congruent.

Vertical Angles

300

When two points are on the same line.

Collinear

300

How many bones are in the average human skeleton?

206

400

A triangle with all different sides and angles.

Scalene Triangle

400

Two congruent angles that form a "z" with two parallel lines.

Alternate Interior Angles

400

The sum of the angles inside of a triangle is 180 degrees.

Triangle angle sum theorem

400

The formula to find the difference between two points on a graph

Distance Formula

400

Rockwell's 1984 song “Somebody’s Watching Me” features what pop singer on the chorus?

Michael Jackson

500

The two things you need to prove a right triangle is congruent.

Hypotenuse and Length of one side or HL

500

Two congruent angles on the opposite outward sides of two parallel lines cut by a transversal/line.

Alternate exterior angles

500

If three points A, B and C are collinear and B is between A and C, then AB + BC = AC.

Segment Addition Postulate

500

The formula to find the middle between two points on a graph.

Midpoint formula

500

What was the original title of the movie “Halloween"?

"the Babysitter Murders"