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Related Flashcards
Cards In This Set
| Front | Back |
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2 lines that meet at a point.
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Interesting
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Angles that are opposite each other (point at each point)
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Vertical lines
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Sum of their measures in 180 degrees
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Supplementary angles
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Angles that have the same measure
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Congruent angles
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A flat surface that extends without end
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Planes
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Lines that do not intersect
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Parallel
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The sum of their measures in 90 degrees
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Complementary angles
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Intersecting to form right angles
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Perpendicular lines
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Angles that share a common side
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Adjacent angles
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Angles that occupy corresponding positions when a line intersects 2 other lines (like in the diagram below)
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Corresponding angles
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Obtuse triangle
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A triangle with one obtuse side
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Right triangle
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A triangle with one right angle
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Acute triangle
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A triangle with three acute angles
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Congruent sides
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Sides of a triangle that have the same length
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Equilateral triangle
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A triangle that has three congruent sides
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