Properties of Triangles
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are complementary angles?
Back
Complementary angles are two angles whose measures add up to 90 degrees.
2.
FLASHCARD QUESTION
Front
What are supplementary angles?
Back
Supplementary angles are two angles whose measures add up to 180 degrees.
3.
FLASHCARD QUESTION
Front
What is the Triangle Inequality Theorem?
Back
The Triangle Inequality Theorem states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
4.
FLASHCARD QUESTION
Front
How do you classify a triangle based on its angles?
Back
Triangles can be classified as acute (all angles < 90°), right (one angle = 90°), or obtuse (one angle > 90°).
5.
FLASHCARD QUESTION
Front
How do you classify a triangle based on its sides?
Back
Triangles can be classified as equilateral (all sides equal), isosceles (two sides equal), or scalene (all sides different).
6.
FLASHCARD QUESTION
Front
What is the sum of the interior angles of a triangle?
Back
The sum of the interior angles of a triangle is always 180 degrees.
7.
FLASHCARD QUESTION
Front
If two angles are supplementary and one angle measures 80°, what is the measure of the other angle?
Back
The other angle measures 100° (180° - 80° = 100°).
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