Using Equations to Solve for Unknown 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). 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 degrees.
3.
FLASHCARD QUESTION
Front
What is a right angle?
Back
A right angle is an angle that measures exactly 90 degrees.
4.
FLASHCARD QUESTION
Front
What is an acute angle?
Back
An acute angle is an angle that measures less than 90 degrees.
5.
FLASHCARD QUESTION
Front
What is an obtuse angle?
Back
An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.
6.
FLASHCARD QUESTION
Front
What does it mean to solve for an unknown angle?
Back
To solve for an unknown angle means to find the measure of that angle using equations or relationships between angles.
7.
FLASHCARD QUESTION
Front
What is the equation for complementary angles?
Back
Two angles are complementary if their measures add up to 90 degrees.
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