What is the Triangle Sum Theorem?
Triangle Sum Theorem

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The Triangle Sum Theorem states that the sum of the interior angles of a triangle is always 180 degrees.
2.
FLASHCARD QUESTION
Front
If two angles of a triangle are 70 degrees and 50 degrees, what is the measure of the third angle?
Back
The third angle measures 60 degrees.
3.
FLASHCARD QUESTION
Front
What is the measure of the missing angle if one angle is 30 degrees and another is 90 degrees?
Back
The missing angle is 60 degrees.
4.
FLASHCARD QUESTION
Front
How do you find the measure of a missing angle in a triangle?
Back
To find the missing angle, subtract the sum of the known angles from 180 degrees.
5.
FLASHCARD QUESTION
Front
What is the measure of the third angle if two angles are 34 degrees and 38 degrees?
Back
The third angle measures 108 degrees.
6.
FLASHCARD QUESTION
Front
If one angle of a triangle is 45 degrees and another is 45 degrees, what is the third angle?
Back
The third angle measures 90 degrees.
7.
FLASHCARD QUESTION
Front
What is the relationship between the angles in a right triangle?
Back
In a right triangle, one angle is 90 degrees, and the sum of the other two angles is 90 degrees.
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