Triangle Angle Sum and Exterior Angle Theorem

Flashcard
•
Mathematics
•
9th - 11th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Triangle Angle Sum Theorem?
Back
The Triangle Angle Sum Theorem states that the sum of the interior angles of a triangle is always 180 degrees.
Tags
CCSS.8.G.A.5
2.
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.
3.
FLASHCARD QUESTION
Front
State the Exterior Angle Theorem.
Back
The Exterior Angle Theorem states that the measure of an exterior angle is equal to the sum of the measures of the two non-adjacent interior angles.
Tags
CCSS.8.G.A.5
4.
FLASHCARD QUESTION
Front
If one angle of a triangle is 50 degrees and another is 60 degrees, what is the measure of the third angle?
Back
The third angle is 70 degrees (180 - 50 - 60 = 70).
Tags
CCSS.8.G.A.5
5.
FLASHCARD QUESTION
Front
How do you find the measure of an exterior angle if the two non-adjacent interior angles are 40 degrees and 50 degrees?
Back
The exterior angle is 90 degrees (40 + 50 = 90).
Tags
CCSS.8.G.A.5
6.
FLASHCARD QUESTION
Front
What is the relationship between the angles in a triangle?
Back
The angles in a triangle are related such that their sum is always 180 degrees.
Tags
CCSS.8.G.A.5
7.
FLASHCARD QUESTION
Front
If angle A is 30 degrees and angle B is 70 degrees, what is angle C?
Back
Angle C is 80 degrees (180 - 30 - 70 = 80).
Tags
CCSS.7.G.B.5
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