Triangle Sum Theorem and Exterior Angle Theorem
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What does the Triangle Sum Theorem state?
Back
The Triangle Sum Theorem states that the sum of all angles in a triangle is 180 degrees.
Tags
CCSS.8.G.A.5
2.
FLASHCARD QUESTION
Front
If two angles in a triangle are 45° and 75°, what is the measure of the third angle?
Back
60°
Tags
CCSS.8.G.A.5
3.
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.
4.
FLASHCARD QUESTION
Front
What is the relationship between an exterior angle and the remote interior angles?
Back
The exterior angle is equal to the sum of the two remote interior angles.
Tags
CCSS.8.G.A.5
5.
FLASHCARD QUESTION
Front
Define remote interior angles in the context of a triangle.
Back
Remote interior angles are the two angles inside the triangle that are not adjacent to the exterior angle.
Tags
CCSS.8.G.A.5
6.
FLASHCARD QUESTION
Front
What is the formula to find the measure of an exterior angle?
Back
The measure of an exterior angle is equal to the sum of the measures of the two remote interior angles.
Tags
CCSS.8.G.A.5
7.
FLASHCARD QUESTION
Front
If one angle of a triangle is 90°, what type of triangle is it?
Back
It is a right triangle.
Tags
CCSS.4.G.A.2
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