Triangle Sum & Exterior Angle
Flashcard
•
Mathematics
•
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 degrees.
2.
FLASHCARD QUESTION
Front
What is the measure of each angle in an equilateral triangle?
Back
In an equilateral triangle, each angle measures 60 degrees.
3.
FLASHCARD QUESTION
Front
If one angle of a triangle is 90 degrees, what type of triangle is it?
Back
It is a right triangle.
4.
FLASHCARD QUESTION
Front
What is an exterior angle of a triangle?
Back
An exterior angle is formed by one side of the triangle and the extension of an adjacent side.
5.
FLASHCARD QUESTION
Front
How do you calculate the measure of an exterior angle?
Back
The measure of an exterior angle is equal to the sum of the measures of the two non-adjacent interior angles.
6.
FLASHCARD QUESTION
Front
If two angles of a triangle are 45 degrees and 55 degrees, what is the measure of the third angle?
Back
The third angle measures 80 degrees (180 - 45 - 55 = 80).
7.
FLASHCARD QUESTION
Front
What is the relationship between an exterior angle and the interior angles of a triangle?
Back
An exterior angle is equal to the sum of the two opposite interior angles.
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