Interior & Exterior Angles of a Triangle

Flashcard
•
Mathematics
•
6th - 9th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an interior angle of a triangle?
Back
An interior angle is formed by two sides of a triangle that meet at a vertex, and it is located inside the triangle.
Tags
CCSS.8.G.A.5
2.
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. It is located outside the triangle.
3.
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.
Tags
CCSS.8.G.A.5
4.
FLASHCARD QUESTION
Front
How do you find the measure of a missing interior angle in a triangle?
Back
To find a missing interior angle, subtract the sum of the known angles from 180 degrees.
Tags
CCSS.8.G.A.5
5.
FLASHCARD QUESTION
Front
What is the relationship between an exterior angle and the two opposite interior angles?
Back
An exterior angle is equal to the sum of the two opposite interior angles.
Tags
CCSS.8.G.A.5
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 a supplementary angle?
Back
Supplementary angles are two angles whose measures add up to 180 degrees.
Tags
CCSS.7.G.B.5
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