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Questions and Answers
What type of angles have a sum of 90 degrees?
What type of angles have a sum of 90 degrees?
- Congruent angles
- Vertical angles
- Supplementary angles
- Complementary angles (correct)
What do we call angles that share a common vertex and one common side, but no common interior points?
What do we call angles that share a common vertex and one common side, but no common interior points?
- Adjacent angles (correct)
- Complementary angles
- Parallel lines
- Linear pairs
What do we call two lines that are always the same distance apart and never meet?
What do we call two lines that are always the same distance apart and never meet?
- Congruent angles
- Parallel lines (correct)
- Vertical angles
- Supplementary angles
What do we call angles that add up to 180 degrees?
What do we call angles that add up to 180 degrees?
What do we call angles that are on the opposite sides of the intersection of two lines?
What do we call angles that are on the opposite sides of the intersection of two lines?
What do we call angles that are equal in measure?
What do we call angles that are equal in measure?
What type of angles have a sum of 180 degrees?
What type of angles have a sum of 180 degrees?
What do we call angles that are formed by two intersecting lines and are opposite each other?
What do we call angles that are formed by two intersecting lines and are opposite each other?
Which term refers to a pair of angles whose measures add up to 180 degrees and are formed by two intersecting lines?
Which term refers to a pair of angles whose measures add up to 180 degrees and are formed by two intersecting lines?
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Study Notes
Types of Angles
- Complementary angles are two angles whose measures add up to 90 degrees.
- Supplementary angles are two angles whose measures add up to 180 degrees.
Angle Relationships
- Adjacent angles: share a common vertex and one common side, but no common interior points.
- Vertical angles: are opposite each other and formed by two intersecting lines.
- Linear pairs: are two adjacent angles that form a straight line, meaning they have a sum of 180 degrees.
Lines
- Parallel lines: are always the same distance apart and never meet.
Angle Properties
- Congruent angles: are equal in measure.
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