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29 Cards in this Set
- Front
- Back
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segment
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two points on a line and all the points between them
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points
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the simplist figure in geometry. representing an exact location
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angle
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a figure formed by two roys with the same endpoint
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acute angle
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angle with measurements less than 90 degrees
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endpoint
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the point at the end of the ray or line segment
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the ends oa a diameter dicide the circle into two ___________.
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semicircles
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chord
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a segment joining two points on the circle
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circle
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the set of all points in a plane at a given distance from a given point O called the center
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How do you name an angle?
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-by giving its vertex angle or
-by listing letters for points on the two sides with the vertex letter in the middle |
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parallel lines
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lines 1) in the same plane 2) that do not intersect
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non collinear
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points not on the same line
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complimentary
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angles whose measures have a sum of 90 degrees
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collinear
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two or more points on the same line
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congruent figures
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figures that have the same size and shape
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sides
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the fays making up an angle
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radius
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a segment joining the center of a circle to a point on the circle
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parallel planes
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planes that do not intersect
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a square cm is a square which is _____________ wide and _____________ long
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one cm
one cm |
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right angle
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a 90 degree angle
(the angle formed by perpendicular lines) |
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supplementary angles
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two angles whos measures have a fum of 90 degrees
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ray
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a part of the line with the endpoint
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plane
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a flat surface extending in all directions
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perpendicular lines
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two angles that intersect to form a 90 degrees
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line
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1) a figure determined by 2 points
2) extending in both directions |
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a chord passing through the center is called the __________ of the circle
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diameter
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skew lines
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lines that are not parallel and do not intersect
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midpoint
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the point on a line segment that divides it into two segments of equal length
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vertex
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the common endpointof an angle
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obtuse angle
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angle with measurements greater than 90 degrees
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