What is the Triangle Sum Theorem?

Triangle Sum and Exterior Sum

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Mathematics
•
6th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The Triangle Sum Theorem states that the sum of the interior angles of a triangle is always 180 degrees.
2.
FLASHCARD QUESTION
Front
What is an exterior angle of a triangle?
Back
An exterior angle of a triangle is formed by one side of the triangle and the extension of an adjacent side.
3.
FLASHCARD QUESTION
Front
What does the Exterior Angle Theorem state?
Back
The Exterior Angle Theorem states that the measure of an exterior angle is equal to the sum of the measures of the two remote interior angles.
4.
FLASHCARD QUESTION
Front
If one angle of a triangle is 90 degrees, what is the sum of the other two angles?
Back
The sum of the other two angles is 90 degrees, since the total must equal 180 degrees.
5.
FLASHCARD QUESTION
Front
What is a remote interior angle?
Back
A remote interior angle is an interior angle of a triangle that is not adjacent to a given exterior angle.
6.
FLASHCARD QUESTION
Front
How do you find the measure of an unknown angle in a triangle?
Back
To find an unknown angle, subtract the sum of the known angles from 180 degrees.
7.
FLASHCARD QUESTION
Front
What is the relationship between corresponding angles when two parallel lines are cut by a transversal?
Back
Corresponding angles are equal when two parallel lines are cut by a transversal.
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