What is an angle?
Geometry Flashcard- Angles

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
An angle is formed by two rays (sides) that share a common endpoint (vertex). It is measured in degrees (°).
2.
FLASHCARD QUESTION
Front
What is the sum of angles in a triangle?
Back
The sum of the interior angles in a triangle is always 180°.
3.
FLASHCARD QUESTION
Front
What is a right angle?
Back
A right angle is an angle that measures exactly 90°.
4.
FLASHCARD QUESTION
Front
What is an acute angle?
Back
An acute angle is an angle that measures less than 90°.
5.
FLASHCARD QUESTION
Front
What is an obtuse angle?
Back
An obtuse angle is an angle that measures more than 90° but less than 180°.
6.
FLASHCARD QUESTION
Front
What is a straight angle?
Back
A straight angle is an angle that measures exactly 180°.
7.
FLASHCARD QUESTION
Front
What is a reflex angle?
Back
A reflex angle is an angle that measures more than 180° but less than 360°.
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