Angles

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an angle?
Back
An angle is formed by two rays (sides) that share a common endpoint (vertex).
2.
FLASHCARD QUESTION
Front
What are complementary angles?
Back
Angles that add up to 90°.
3.
FLASHCARD QUESTION
Front
What are supplementary angles?
Back
Angles that add up to 180°.
4.
FLASHCARD QUESTION
Front
What is a triangle?
Back
A polygon with three edges and three vertices.
5.
FLASHCARD QUESTION
Front
What are the types of triangles based on angles?
Back
Acute (all angles < 90°), Right (one angle = 90°), Obtuse (one angle > 90°).
6.
FLASHCARD QUESTION
Front
What are the types of triangles based on sides?
Back
Equilateral (all sides equal), Isosceles (two sides equal), Scalene (no sides equal).
7.
FLASHCARD QUESTION
Front
What is the sum of the interior angles of a triangle?
Back
180°.
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