Exterior Angles
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 in a polygon?
Back
An exterior angle is formed by one side of a polygon and the extension of an adjacent side. It is equal to the sum of the two opposite interior angles.
2.
FLASHCARD QUESTION
Front
How do you calculate the measure of an exterior angle of a triangle?
Back
The measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles.
Tags
CCSS.8.G.A.5
3.
FLASHCARD QUESTION
Front
What is the relationship between the exterior angles of a polygon and the number of sides it has?
Back
The sum of the exterior angles of any polygon is always 360 degrees, regardless of the number of sides.
4.
FLASHCARD QUESTION
Front
If one exterior angle of a triangle measures 60 degrees, what is the sum of the other two interior angles?
Back
The sum of the other two interior angles is 120 degrees, since the exterior angle is equal to the sum of the two non-adjacent interior angles.
Tags
CCSS.8.G.A.5
5.
FLASHCARD QUESTION
Front
What is the formula for finding the measure of each exterior angle of a regular polygon?
Back
The measure of each exterior angle of a regular polygon can be found using the formula: 360° / n, where n is the number of sides.
6.
FLASHCARD QUESTION
Front
How do you find the missing exterior angle if two angles are known?
Back
To find the missing exterior angle, subtract the sum of the known exterior angles from 360 degrees.
7.
FLASHCARD QUESTION
Front
What is the measure of an exterior angle if the interior angle is 120 degrees?
Back
The measure of the exterior angle is 60 degrees, since exterior angle = 180° - interior angle.
Tags
CCSS.8.G.A.5
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