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### Geometry Terms _Kay's mom

TermDefinition
intersecting lines lines that cross at exactly one point
parallel lines lines that are always the same distance apart and never intersect
perpendicular lines lines that intersect that and form 4 right angles
point an exact location in a space
line a straight path made up points that go on forever in both directions
line segment part of a line with 2 endpoints
ray a part of a line that has one end point and continues forever in one direction
angle formed by 2 rays or 2 line sigments that have the same endpoint
acute angle an angle with less than 90'
right angle an angle with exactly 90'
obtuse angle an angle with more that 90'
acute triangle a triangle with 3 acute angles
obtuse triangle a triangle with 1 obtuse angle
right triangle a triangle with 1 right angle
quadrilateral a polygon with 4 sides and 4 angles
square 4 sides of equal length, 2 pairs of parallel sides, 4 right angles
rectangle 2 pairs of parallel sides opposite sides are equal 4 right triangle
rhombus 4 sides of equal length 2 pairs of parallel sides
parallelogram 2 pairs of equal length 2 pair pf parallel sides
trapezoid 1 pair of parallel sides
line of symmetry divides a shape into two parts that are the same size and shape.
Created by: dreekaowens