Exterior Angle Theorem

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•
Mathematics
•
8th - 9th Grade
•
Hard
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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 A is 62° and angle B is 54°, what is the measure of the exterior angle at vertex C?
Back
The exterior angle at vertex C is 62° + 54° = 116°.
3.
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, while the adjacent interior angle is supplementary to the exterior angle.
4.
FLASHCARD QUESTION
Front
If an exterior angle measures 130°, what is the sum of the two opposite interior angles?
Back
The sum of the two opposite interior angles is 130°.
5.
FLASHCARD QUESTION
Front
In a triangle, if one interior angle measures 40° and another measures 70°, what is the measure of the exterior angle adjacent to the 40° angle?
Back
The exterior angle adjacent to the 40° angle is 70° + 40° = 110°.
6.
FLASHCARD QUESTION
Front
What is the formula to find the measure of an exterior angle?
Back
The measure of an exterior angle = measure of interior angle 1 + measure of interior angle 2.
7.
FLASHCARD QUESTION
Front
If angle A = 25° and angle B = 35°, what is the measure of the exterior angle at vertex C?
Back
The exterior angle at vertex C is 25° + 35° = 60°.
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