Podcast
Questions and Answers
What is a right angle?
What is an obtuse angle?
An angle between 90 and 180 degrees
What is an acute angle?
An angle that is less than 90 degrees but above 0 degrees
What are complementary angles?
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What are supplementary angles?
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What are vertical angles?
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What is a transversal?
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What are interior angles?
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What are exterior angles?
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What are alternate exterior angles?
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What are alternate interior angles?
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What are consecutive (same-side) interior angles?
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What are corresponding angles?
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Study Notes
Angle Types
- Right Angle: Measures exactly 90 degrees.
- Obtuse Angle: Measures between 90 and 180 degrees.
- Acute Angle: Measures less than 90 degrees but greater than 0 degrees.
Angle Relationships
- Complementary Angles: Two angles that sum to 90 degrees.
- Supplementary Angles: Two angles that sum to 180 degrees.
- Vertical Angles: Formed by intersecting lines; they are opposite and congruent.
Transversals and Lines
- Transversal: A line that intersects two parallel lines.
- Interior Angles: Angles formed inside the area created by the transversal and the parallel lines.
- Exterior Angles: Angles formed outside the area created by the transversal and the parallel lines.
Specific Angle Types with Transversals
- Alternate Exterior Angles: Located outside the parallel lines on opposite sides of the transversal; these angles are congruent.
- Alternate Interior Angles: Found inside the parallel lines on opposite sides of the transversal; these angles are also congruent.
- Consecutive (Same-Side) Interior Angles: Interior angles located on the same side of the transversal; these angles are supplementary.
- Corresponding Angles: Located at matching positions when a transversal crosses parallel lines; these angles are congruent.
Studying That Suits You
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Description
Test your knowledge of angles with this flashcard quiz covering key definitions such as right, obtuse, acute, complementary, and supplementary angles. Great for Algebra 1 students preparing for exams or reinforcing their understanding of geometry concepts.
