Exterior Angles of a Triangle
Flashcard
•
Mathematics
•
7th - 10th 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 opposite interior angles.
Tags
CCSS.8.G.A.5
2.
FLASHCARD QUESTION
Front
How do you calculate the measure of an exterior angle?
Back
To calculate the measure of an exterior angle, you can add the measures of the two non-adjacent interior angles of the triangle.
Tags
CCSS.8.G.A.5
3.
FLASHCARD QUESTION
Front
What is the relationship between the exterior angle and the interior angles of a triangle?
Back
The exterior angle is equal to the sum of the two non-adjacent interior angles.
Tags
CCSS.8.G.A.5
4.
FLASHCARD QUESTION
Front
If one interior angle of a triangle is 40 degrees and another is 60 degrees, what is the measure of the exterior angle adjacent to the 60-degree angle?
Back
The exterior angle is 40 + 60 = 100 degrees.
Tags
CCSS.8.G.A.5
5.
FLASHCARD QUESTION
Front
What is the sum of the exterior angles of any polygon?
Back
The sum of the exterior angles of any polygon is always 360 degrees.
6.
FLASHCARD QUESTION
Front
In a triangle, if one exterior angle measures 120 degrees, what is the sum of the two opposite interior angles?
Back
The sum of the two opposite interior angles is 120 degrees.
Tags
CCSS.8.G.A.5
7.
FLASHCARD QUESTION
Front
What is the formula for finding the measure of an exterior angle in terms of the interior angles?
Back
The measure of an exterior angle = Interior angle 1 + Interior angle 2.
Tags
CCSS.8.G.A.5
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