Interior/Exterior Angles of Triangles
Flashcard
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
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15 questions
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1.
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. It is equal to the sum of the two remote interior angles.
Tags
CCSS.8.G.A.5
2.
FLASHCARD QUESTION
Front
What is the relationship between an exterior angle and its adjacent interior angle?
Back
The exterior angle is equal to the sum of the two remote interior angles, and it is supplementary to its adjacent interior angle.
Tags
CCSS.8.G.A.5
3.
FLASHCARD QUESTION
Front
How do you calculate the measure of an exterior angle if you know the measures of the two remote interior angles?
Back
To find the measure of an exterior angle, add the measures of the two remote interior angles.
Tags
CCSS.8.G.A.5
4.
FLASHCARD QUESTION
Front
What are remote interior angles in relation to an exterior angle?
Back
Remote interior angles are the two interior angles of a triangle that are not adjacent to the exterior angle.
Tags
CCSS.8.G.A.5
5.
FLASHCARD QUESTION
Front
If one interior angle of a triangle measures 40 degrees and another measures 60 degrees, what is the measure of the exterior angle adjacent to the 40-degree angle?
Back
The exterior angle is 60 degrees + 40 degrees = 100 degrees.
Tags
CCSS.8.G.A.5
6.
FLASHCARD QUESTION
Front
What is the sum of the measures of the exterior angles of a triangle?
Back
The sum of the measures of the exterior angles of a triangle is always 360 degrees.
7.
FLASHCARD QUESTION
Front
What is the measure of angle b if angle a is 36 degrees and angle c is 108 degrees?
Back
Angle b is 36 degrees, as it is the exterior angle formed by extending the side opposite angle a.
Tags
CCSS.8.G.A.5
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