Triangle sum theorem and exterior angle theorem
Flashcard
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Triangle Sum Theorem?
Back
The Triangle Sum Theorem states that the sum of the interior angles of a triangle is always 180°.
2.
FLASHCARD QUESTION
Front
What is the measure of each angle in an equilateral triangle?
Back
In an equilateral triangle, each angle measures 60°.
3.
FLASHCARD QUESTION
Front
What is an exterior angle of a triangle?
Back
An exterior angle is formed by one side of a triangle and the extension of an adjacent side.
4.
FLASHCARD QUESTION
Front
What is the relationship between an exterior angle and the two remote interior angles?
Back
The exterior angle is equal to the sum of the two remote interior angles.
5.
FLASHCARD QUESTION
Front
If one angle of a triangle measures 50° and another measures 60°, what is the measure of the third angle?
Back
The third angle measures 70° (180° - 50° - 60° = 70°).
6.
FLASHCARD QUESTION
Front
What is the measure of an exterior angle if the two remote interior angles are 40° and 50°?
Back
The exterior angle measures 90° (40° + 50° = 90°).
7.
FLASHCARD QUESTION
Front
What is the sum of the angles in a triangle?
Back
The sum of the angles in a triangle is always 180°.
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