Triangle angle sum theorem

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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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.
2.
FLASHCARD QUESTION
Front
If one angle of a triangle is 95 degrees and another is 45 degrees, what is the measure of the third angle?
Back
The third angle is 40 degrees (180 - 95 - 45 = 40).
3.
FLASHCARD QUESTION
Front
What is the measure of angle b if angle a is 36 degrees and angle c is 108 degrees?
Back
Angle b is 36 degrees (180 - 36 - 108 = 36).
4.
FLASHCARD QUESTION
Front
How do you find the measure of a missing angle in a triangle?
Back
To find a missing angle, subtract the sum of the known angles from 180 degrees.
5.
FLASHCARD QUESTION
Front
If two angles of a triangle are 50 degrees and 60 degrees, what is the measure of the third angle?
Back
The third angle is 70 degrees (180 - 50 - 60 = 70).
6.
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.
7.
FLASHCARD QUESTION
Front
If a triangle has angles measuring 30 degrees and 60 degrees, what is the measure of the third angle?
Back
The third angle is 90 degrees (180 - 30 - 60 = 90).
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