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Questions and Answers
What do complementary angles add up to?
What do complementary angles add up to?
- 360 degrees
- 180 degrees
- 270 degrees
- 90 degrees (correct)
How are supplementary angles defined?
How are supplementary angles defined?
- Angles that are adjacent
- Angles that measure less than 90 degrees
- Angles that add up to 180 degrees (correct)
- Angles that add up to 270 degrees
Which statement about adjacent angles is true?
Which statement about adjacent angles is true?
- They share a common side and vertex. (correct)
- They must be equal in measure.
- They always add up to 90 degrees.
- They are always vertical angles.
What distinguishes a linear pair from other angles?
What distinguishes a linear pair from other angles?
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What is true about vertical angles?
What is true about vertical angles?
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Study Notes
Angles Overview
- Complementary Angles: Two angles that sum to 90 degrees. Example: 30° and 60° are complementary.
- Supplementary Angles: Two angles that total 180 degrees. Example: 110° and 70° are supplementary.
Specific Types of Angles
- Adjacent Angles: Angles that share a common side and vertex but do not overlap, positioned next to each other.
- Linear Pair: A pair of adjacent angles formed when two lines intersect; the angles in this pair always add up to 180 degrees.
- Vertical Angles: Opposite angles formed by two intersecting lines; these angles are always equal in measure.
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