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17 Cards in this Set
- Front
- Back
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line
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a straight, infinitely stretching, 1D, and connected objected
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line segment
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a straight, 1D, and connected object, with 2 endpoints
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ray
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a straight object, with one end ending with a endpoint, while the other side goes on infinitely
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angle
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two rays ending at a common endpoint
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straight angle
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an angle that forms a line
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right angle
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an angle that's measure is half a straight angle
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acute and obtuse angle
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an angle that's smaller than a right angle
an angle that's bigger than a right angle |
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polar points
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points on opposite sides of a sphere
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complimentary angle
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when two angles add up to be a right angle
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supplementary angle
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when two angles add up to be a straight angle
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adjacent angles
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adjacent angles share a common ray ( in between)
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linear angle
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2 adjacent angles that form a line
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vertical angle
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http://www.google.com/imgres?q=vertical+angles&um=1&hl=en&sa=N&nord=1&biw=1024&bih=653&tbm=isch&tbnid=Rkne5Ts4v2Ed9M:&imgrefurl=http://www.geom.uiuc.edu/~dwiggins/conj01.html&docid=cLUl2g5_REkeWM&w=360&h=196&ei=YjB5TvzdBfGDsgLD3OjcDQ&zoom=1&iact=rc&dur=206&page=1&tbnh=98&tbnw=180&start=0&ndsp=15&ved=1t:429,r:10,s:0&tx=17&ty=77
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perpendicular
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two lines/segments/rays are perpendicular if they meet at a right angle
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AB (without anything on top)
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a length of segment AB
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Congruent
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When line segments/anything else are the same length.
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Collinear
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two or more points are collinear if they lie on the same line
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