Triangle Sum & Exterior Angle Theorem
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Wayground Content
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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.
Tags
CCSS.8.G.A.5
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
State the Exterior Angle Theorem.
Back
The Exterior Angle Theorem states that the measure of an exterior angle is equal to the sum of the measures of the two non-adjacent interior angles.
Tags
CCSS.8.G.A.5
4.
FLASHCARD QUESTION
Front
If one angle of a triangle is 70 degrees and another is 60 degrees, what is the measure of the third angle?
Back
The third angle is 50 degrees, calculated as 180 - (70 + 60).
Tags
CCSS.8.G.A.5
5.
FLASHCARD QUESTION
Front
What type of angle measures exactly 90 degrees?
Back
A right angle measures exactly 90 degrees.
Tags
CCSS.4.G.A.1
6.
FLASHCARD QUESTION
Front
If one angle of a triangle is 90 degrees, what type of triangle is it?
Back
It is a right triangle.
Tags
CCSS.4.G.A.2
7.
FLASHCARD QUESTION
Front
What is the measure of an exterior angle if the two non-adjacent interior angles are 40 degrees and 50 degrees?
Back
The exterior angle measures 90 degrees, calculated as 40 + 50.
Tags
CCSS.8.G.A.5
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