Interior Exterior Triangle Flashcard
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the sum of the interior angles of a triangle?
Back
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
How do you calculate an exterior angle of a triangle?
Back
An exterior angle is equal to the sum of the two opposite interior angles.
4.
FLASHCARD QUESTION
Front
If one angle of a triangle is 70 degrees and another is 56 degrees, what is the measure of the third angle?
Back
The third angle is 54 degrees (180 - 70 - 56 = 54).
5.
FLASHCARD QUESTION
Front
What is the relationship between the interior and exterior angles of a triangle?
Back
The exterior angle is equal to the sum of the two non-adjacent interior angles.
6.
FLASHCARD QUESTION
Front
If the exterior angle of a triangle is 119 degrees, what are the possible measures of the two non-adjacent interior angles?
Back
The two non-adjacent interior angles must sum to 119 degrees.
7.
FLASHCARD QUESTION
Front
What is the measure of an angle if its supplement is 34 degrees?
Back
The measure of the angle is 146 degrees (180 - 34 = 146).
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