Vocabulary Theorems Word Problems
What is a Triangle?
Is a polygon with three sides.
What is the Theorem 4.1?
The sum of the measure of the interior angles of a triangle is 180.
If two angles of a triangle are both 60 degrees, what is the thrid angle measure?
60 degrees
What is an Interior Angle?
The original angles.
What is the Theorem 4.5?
If the hypotenuse and a leg if a right triangle are congruent to the hypotenuse and a leg of a second right triangle, then the two triangles are congruent
A 10 meter ladder is leaning aganist a building. The bottom of the ladder is 5 meters from the building. How many meters high is the top of the ladder to the ground?
8.6 meters
What is an Exterior Angle?
The angles that form linear pairs with the interior angles.
What is the Theorem 4.6?
If two angles and a non-included side of one triangle are congruent to two angles and the corresponding non-included side of a second triangle, then the two triangles is congruent.
In a triangle XYZ, ∠ X = 37°, ∠ Y = 45°, and ∠ Z = 3x + 6. What
is the value of x and what is the measure of ∠Z?
30.6
What are Corresponding parts?
A pair of sides or angles that have the same relative position in two congruent or similar figures.
What is the Theorem 4.7?
If two sides of a triangle are congruent, then the angles opposite of them are congruent
What are Congruent figures?
Two geometric figures that have exactly the same size and shape. When two figures are congruent, all pairs of corresponding sides and corresponding angles are congruent.
What is the Theorem 4.8?
If two angles of a triangle are congruent, then the sides opposite of them are congruent.

# Unit 2

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