triangle sum theorem
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the Triangle Sum Theorem?
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 one angle of a triangle measures 45° and another measures 60°, how do you find the third angle?
Back
Subtract the sum of the known angles from 180°: 180° - (45° + 60°) = 75°.
3.
FLASHCARD QUESTION
Front
What is the measure of the third angle in a triangle if the other two angles are 22° and 33°?
Back
The third angle is 180° - (22° + 33°) = 125°.
4.
FLASHCARD QUESTION
Front
How do you find the value of an unknown angle in a triangle?
Back
Use the Triangle Sum Theorem: set up the equation with the known angles and solve for the unknown angle.
5.
FLASHCARD QUESTION
Front
If a triangle has angles measuring 56°, 62°, and x°, what is the value of x?
Back
x = 180° - (56° + 62°) = 62°.
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°.
7.
FLASHCARD QUESTION
Front
In a triangle, if one angle is 90°, what type of triangle is it?
Back
It is a right triangle.
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