Exterior Angle Theorem
Flashcard
•
Mathematics
•
8th - 9th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview
15 questions
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1.
FLASHCARD QUESTION
Front
What is the Exterior Angle Theorem?
Back
The Exterior Angle Theorem states that the measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles.
2.
FLASHCARD QUESTION
Front
If angle d is an exterior angle, which angles can be added to find its measure?
Back
Angle a and Angle b, which are the two non-adjacent interior angles.
3.
FLASHCARD QUESTION
Front
How do you find the measure of an exterior angle if you know the measures of the two non-adjacent interior angles?
Back
Add the measures of the two non-adjacent interior angles together.
4.
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 opposite interior angles, not the adjacent one.
5.
FLASHCARD QUESTION
Front
If angle a = 67° and angle b = 79°, what is the measure of angle d?
Back
Angle d = angle a + angle b = 67° + 79° = 146°.
6.
FLASHCARD QUESTION
Front
What is the formula to calculate the measure of an exterior angle?
Back
The formula is: m∠d = m∠a + m∠b, where m∠d is the exterior angle and m∠a and m∠b are the non-adjacent interior angles.
7.
FLASHCARD QUESTION
Front
If m∠B = 67°, what is the measure of the exterior angle formed at vertex B?
Back
To find the exterior angle, you need the measures of the other two interior angles.
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