What is the sum of the angle measures of a triangle?
100
This idea says that corresponding parts of congruent triangles must be congruent.
What is CPCTC?
100
The two congruent angles of an isosceles triangle.
What are the base angles?
100
An operation that maps a geometric figure to a new figure.
What is a transformation?
200
A triangle with one obtuse angle.
What is an obtuse triangle?
200
It is equal to the sum of the two remote interior angles.
What is an exterior angle?
200
This theorem says that if two angles of one triangle are congruent to two angles of another triangle, then the remaining angles must also be congruent.
What is Third Angles Theorem?
200
The two congruent sides of an isosceles triangle.
What are the legs?
200
The original image in a transformation.
What is the preimage?
300
A triangle with each angle measuring less than 90 degrees.
What is an acute triangle?
300
This type of triangle has two angles that must add up to 90 degrees.
What is a right triangle?
300
This type of congruence deals with two pairs of congruent sides and a congruent included angle.
What is SAS?
300
Congruence transformations or rigid transformations.
What is isometry?
400
A triangle without any congruent sides.
What is a scalene triangle?
400
This postulate tells us that we can find the sum of two angles.
What is Angle Addition Postulate?
400
The type of transformation that helps you open your locker.
What is a rotation?
500
A triangle with two congruent base angles.
What is an isosceles triangle?
500
The type of angle formed by lamp post and the road (if the road is level).
What is a right angle?
500
The included angle between the two congruent sides.