| Vocabulary | Theorems | Word Problems |
|---|---|---|
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What is a Triangle?
Is a polygon with three sides.
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What is the Theorem 4.1?
The sum of the measure of the interior angles of a triangle is 180.
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If two angles of a triangle are both 60 degrees, what is the thrid angle measure?
60 degrees
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What is an Interior Angle?
The original angles.
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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
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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
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What is an Exterior Angle?
The angles that form linear pairs with the interior angles.
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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.
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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
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What are Corresponding parts?
A pair of sides or angles that have the same relative position in two congruent or similar figures.
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What is the Theorem 4.7?
If two sides of a triangle are congruent, then the angles opposite of them are congruent
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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.
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What is the Theorem 4.8?
If two angles of a triangle are congruent, then the sides opposite of them are congruent.
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