
Triangle Angle Sum: Interior Angles
Flashcard
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Hard
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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 two angles in a triangle are 45° and 75°, how do you find the third angle?
Back
To find the third angle, subtract the sum of the two known angles from 180°. So, 180° - (45° + 75°) = 60°.
3.
FLASHCARD QUESTION
Front
What is the measure of the third angle in a triangle if the other two angles are 100° and 50°?
Back
The third angle is 30°, calculated by 180° - (100° + 50°).
4.
FLASHCARD QUESTION
Front
What sets of angles can form a triangle?
Back
A set of angles can form a triangle if their sum is exactly 180°.
5.
FLASHCARD QUESTION
Front
Can a triangle be formed with angles measuring 45°, 65°, and 70°?
Back
Yes, because 45° + 65° + 70° = 180°.
6.
FLASHCARD QUESTION
Front
What is the measure of each angle in an equilateral triangle?
Back
In an equilateral triangle, each angle measures 60°.
7.
FLASHCARD QUESTION
Front
What is the relationship between the angles in a right triangle?
Back
In a right triangle, one angle measures 90°, and the sum of the other two angles is 90°.
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