Labeled with one capital letter. Normally represented by a bold dot on a line or in a plane.
What is a point?
Two pairs of congruent angles formed by intersecting lines.
What are vertical angles?
The sum of all three angles in any triangle.
What is 180?
In this four sided figure, opposite sides are parallel, opposite sides are congruent, opposite angles are congruent, and consecutive angles are supplementary.
What is a parallelogram?
If
triangleABCcongtriangleDEF
what angle is congruent to angle A?
What is Angle D?
Labeled with a lowercase italicized letter, or two points. Contains arrows on either end.
What is a line?
An angle pair with a sum of 180.
What are supplementary angles?
If two angles in a triangles are 30 degrees and 55 degrees, what is the measure of the third angle?
What is 95 degrees?
In this parallelogram, the diagonals are perpendicular. .
What is a rhombus?
What does CPCTC stand for?
What is corresponding parts of congruent triangles are congruent?
A flat surface that continues forever. Contains points and lines. Named with an uppercase italicized letter, or any three non-colinear points.
What is a plane?
Adjacent angles with a sum of 180.
What is a linear pair?
In this triangle, the base angles and legs are congruent.
What is an isosceles triangle?
In this parallelogram, the diagonals are congruent.
What is a rectangle?
What are the five ways you can prove two triangles are congruent?
What are SSS, SAS, ASA, AAS, and HL?
Any two lines that intersect, intersect at exactly one.
What is a point?
Angles that are on the same side of a transversal, inside a set of parallel lines. Their angle measures are supplementary.
What are same side interior angles?
In this triangle, all angle measures equal 60.
What is equilateral or equiangular?
In a rhombus, the diagonals are perpendicular and _____.
What are angle bisectors?
What postulate can be used to prove the triangles are congruent?
What is SAS?
Any two planes that intersect, intersect in exactly one.
What is a line?
Angles on opposite sides of a transversal, on the outside of a pair of parallel lines. Their measures are congruent.
What are alternate exterior angles?
One of the base angle's measure _____ if the vertex of an isosceles triangle measures 40 degrees.
What is 70 degrees?
In a parallelogram, one angle measures 100 degrees. It's consecutive angle measures _____.
What is 80 degrees?
What postulate can be used to prove the triangles are congruent?
What is HL?