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Types of Triangles
Triangle Properties
Lines and Angles
Computational Properties
Logic/Theorems
100
A triangle in which two angles measure 45 degrees each is both of these.
What is a right and isosceles?
100
The property in this list that cannot be used to prove congruent triangles: ASA, SAS, SSS, AAS, SSA, HL.
What is SSA?
100
Vertical angles are this.
What is congruent?
100
Trisecting an angle forms congruent angles because of this property.
What is division?
100
If a conditional statement is true, this version of the conditional statement is also true.
What is the contrapositive?
200
If two isosceles right triangles are adjacent for the length of their hypotenuses, they form the following shape.
What is a square?
200
Two altitudes of any obtuse triangle are this.
What is external?
200
The complement of an angle measuring 75 degrees.
What is 15 degrees?
200
AB = BC, BC=CD, therefore AB = CD, is an example of what property.
What is transitive?
200
The converse of the statement: If I am a pig, then I like to fly.
What is: If I like to fly, then I am a pig?
300
A triangle where one angle equals 100 and another equals 40 is both of these.
What is obtuse and isosceles?
300
A triangle has sides measuring 10 inches and 2 inches. These are the restrictions on the third side.
What is it is greater than 8 inches and less than 12 inches?
300
When a transversal passes through two parallel lines. These 3 types of angles are congruent.
What are alternate interior, alternate exterior, and corresponding angles?
300
The theorem "If angles are supplementary to the same angle, then they are congruent" is true because of this property.
What is substitution?
300
The difference between a definition and a theorem.
What is a definition is logically reversible and a theorem is not?
400
The median of an equilateral triangle forms a pair of congruent.
What are right triangles or right angles?
400
Two vertical angles in a set of triangles measure 3x + 15 and 5x + 1. The angles have these measures.
What are 36 and 36?
400
<1 is the supplement of <2. The m<1 = 3x + 7 and m<2 = x - 7 What are the measures of those angles?
What are 38 and 142?
400
An angle is trisected forming angles 2x + 12, 5x and 4y. These are the values of x and y.
What are 4 and 5?
400
When you draw two radii of a circle and connect the points on the circumference of the circle, this object is formed.
What is an isosceles triangle?
500
The angles of a triangle have the following measures 9x - 27, 5x - 35, and 3x + 21. The triangle has both of these properties and the following angle measures.
What are right and scalene and a measure of 30 60 90?
500

An isosceles triangle has a vertex angle which measures 108 degrees. What are the measure of the angles of the triangles formed outside the triangle by the external altitudes.

What are 90-18-72 degrees?

500
The base angles of an isosceles triangle measure 2x + 25 and 4x + 15. The vertex angle has this measure.
What is 110?
500

Triangle HAT and triangle HOT are congruent and adjacent.<A is congruent to <THA. <AHO is 60 degrees. What is the measure of each angle formed by the trisection of <ATH?

What is 40 degrees?

500
The converse of a statement is "If I can't see where I'm going, then I walk backwards". This is the inverse of the statement.
What is "If I don't walk backwards, then I can see where I am going"?