The sum of the measures of the interior angles of a triangle is 180
What is the Triangle Sum Theorem?
100
See diagram #1.
The measure of angle 1 is ___
The measure of angle 2 is ___
The measure of angle 3 is ___
What are 50, 40 and 45?
200
In a right triangle, the sides that form the right angle are the ___ and the side opposite the right angle is the ___.
What are the legs and hypotenuse?
200
The measure of an exterior angle of a triangle is equal to the sum of the measures of the two nonadjacent interior angles
What is the Exterior Angle Theorem?
200
See Diagram #2
The value of x is ___
What is 39?
300
A statement that can be proved easily using a theorem.
What is a corollary?
300
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.
What is the Angle-Angle-Side Theorem?
300
See Diagram #3
The value of x is ___
What is 12?
400
When the sides of a triangle are extended, the three original angles are the ___ and the angles adjacent to them are the ___.
What are interior angles and exterior angles?
400
If two sides of a triangle are congruent, then the angles opposite them are congruent
What is the Base Angles Theorem?
400
See diagram #4
The value of x is ___
The value of y is ___
What are 54 and 63?
500
Two figures are congruent when there is a correspondence between their angles and sides such that ___ are congruent and ___ are congruent.
What are corresponding angles and corresponding sides?
500
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?
What is the Hypotenuse-Leg Theorem?
500
See Diagram #5
The value of x is ___
The value of y is ___
What are 30 and 120?
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Congruent Triangles
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