Definitions  Name the Theorem  Find the Angles  Are they Congruent?/Reason  Miscellaneous 

100What is an isosceles triangle?
A triangle with two congruent sides

100What is the Triangle Sum Theorem?
The sum of the measures of the interior angles of a triangle is 180

100What are 50, 40 and 45?
See diagram #1.
The measure of angle 1 is ___
The measure of angle 2 is ___
The measure of angle 3 is ___


200What are the legs and hypotenuse?
In a right triangle, the sides that form the right angle are the ___ and the side opposite the right angle is the ___.

200What is the Exterior Angle Theorem?
The measure of an exterior angle of a triangle is equal to the sum of the measures of the two nonadjacent interior angles

200What is 39?
See Diagram #2
The value of x is ___


300What is a corollary?
A statement that can be proved easily using a theorem.

300What is the AngleAngleSide Theorem?
If two angles and a nonincluded side of one triangle are congruent to two angles and the corresponding nonincluded side of a second triangle, then the two trianlges are congruent.

300What is 12?
See Diagram #3
The value of x is ___


400What are interior angles and exterior angles?
When the sides of a triangle are extended, the three original angles are the ___ and the angles adjacent to them are the ___.

400What is the Base Angles Theorem?
If two sides of a triangle are congruent, then the angles opposite them are congruent

400What are 54 and 63?
See diagram #4
The value of x is ___
The value of y is ___


500What are corresponding angles and corresponding sides?
Two figures are congruent when there is a correspondence between their angles and sides such that ___ are congruent and ___ are congruent.

500What is the HypotenuseLeg Theorem?
If the hypotenuse and a leg of a right triangle are congruent to the hypotenuse and a leg of a second triangle, the the two right triangles are congruent?

500What are 30 and 120?
See Diagram #5
The value of x is ___
The value of y is ___
