Measure of angle A + measure of angle B + measure of angle C = 180 degrees.
What is the Triangle Sum Theorem?
100
If three sides of one triangle are congruent to three sides of a second triangle, then the two triangles are congruent.
What is the side-side-side congruent postulate? (SSS)
100
It is a triangle with two congruent sides.
What is an Isosceles Triangle?
200
This triangle has 3 congruent sides.
What is a equilateral triangle?
200
A triangle with 3 congruent angles.
What is an equiangular triangle?
200
Every triangle is congruent to itself.
What is Reflexive Property of Congruent Triangles?
200
If two sides and the included angle of one triangle are congruent to two sides and the include angle of a second triangle, then the two triangles are congruent.
What is side-angle-side congruence postulate? (SAS)
200
It is a triangle with three acute angles.
What is an Acute Triangle?
300
The base of an isosceles triangle.
What is the third side of an isosceles triangle?
300
Two angles that have sides forming two pairs of opposite rays.
What are vertical angles?
300
A triangle has 2 congruent angles and 1 congruent side.
What is AAS Congruence Theorem?
300
A 2 triangles have 2 congruent sides and 1 side.
What is angle-side-angle congruence postulate? (ASA)
300
It is a triangle with one obtuse angle.
What is an Obtuse Triangle?
400
It is called the base of a right triangle.
What is the hypotenuse of a triangle called?
400
A triangle with 3 sides that are extended and have what original angles.
What are interior angles?
400
If two sides of a triangle are congruent, then the angles opposite of the are congruent.
What is Base Angle Theorem?
400
Triangle:PQS and Triangle:WXY
Segment:PQ is congruent to Segment:WX
Angle:Q is congruent to Angle:X
Segment:QS is congruent to Segment:XY
Then Triangle:PQS is congruent Triangle:WXY
Postulate?
What is (SSS) Congruence Postulate?
400
It is when every triangle is congruent to itself.
What is the Reflexive Property of Congruent Triangles?
500
A triangle with two sides sharing a common vertex.
What are adjacent sides of a triangle?
500
The angles that adjacent to the interior angles are.
What are exterior angles of a triangle?
500
2 triangles have a right angle and 2 congruent sides.
What is the Hypotenuse-Leg Congruence Theorem (HL)?
500
Triangle:ABC and Triangle:DEF
Angle:A is congruent to Angle:D
Segment:AC is congruent to Segment:DF
Angle:C is congruent to Angle:F
Then Triangle:ABC is congruent to Triangle:DEF
Postulate?
What is (ASA) Congruence Postulate?
500
If a triangle is equilateral then it is equiangular.