Geometry Terms _Kay's mom
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| intersecting lines | lines that cross at exactly one point
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| parallel lines | lines that are always the same distance apart and never intersect
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| perpendicular lines | lines that intersect that and form 4 right angles
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| point | an exact location in a space
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| line | a straight path made up points that go on forever in both directions
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| line segment | part of a line with 2 endpoints
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| ray | a part of a line that has one end point and continues forever in one direction
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| angle | formed by 2 rays or 2 line sigments that have the same endpoint
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| acute angle | an angle with less than 90'
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| right angle | an angle with exactly 90'
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| obtuse angle | an angle with more that 90'
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| acute triangle | a triangle with 3 acute angles
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| obtuse triangle | a triangle with 1 obtuse angle
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| right triangle | a triangle with 1 right angle
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| quadrilateral | a polygon with 4 sides and 4 angles
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| square | 4 sides of equal length,
2 pairs of parallel sides,
4 right angles
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| rectangle | 2 pairs of parallel sides
opposite sides are equal
4 right triangle
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| rhombus | 4 sides of equal length
2 pairs of parallel sides
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| parallelogram | 2 pairs of equal length
2 pair pf parallel sides
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| trapezoid | 1 pair of parallel sides
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| line of symmetry | divides a shape into two parts that are the same size and shape.
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Created by:
dreekaowens
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