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32 Cards in this Set
- Front
- Back
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scalene triangle
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no congruent sides
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isosceles triangle
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2 congruent sides
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equillatoral triangle
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3 congruent sides
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equlangular triangle
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3 congruent angles
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acute triangle
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3 acute angles
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obtuse triangle
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1 obtuse angle
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right triangle
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1 right angle
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vertical angles
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opposite angles formed by intersecting lines
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area
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measure of interior of closed figure
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perimeter
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distance around outside of closed figure
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triangle
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polygon with 3 sides
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parallelogram
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quadrilateral with opposite sides parallel
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rectangle
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parallelogram with 4 right angles
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rhombus
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parallelogram with all sides congruent
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square
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rhombus with right angles
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diagonal
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segment connecting pain of non adjacent vertices in a polygon
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angle
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two different rays with same ending point
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angle bisector
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ray or line which divides angle into 2 congruent angles
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vertex
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endpoint
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adjacent angles
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2 angles that share common vertex and side but no common interior points
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acute angle
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1-89 degree angle
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right angle
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90 degree angle
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obtuse angle
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91 - 179 degree angle
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point
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location in space dot represented by capital letter
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line
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goes on forever in 2 directions
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line segment
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piece of that line starting point and ending point (no arrows)
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ray
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starts at one end and goes forever in opposite direction
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midpoint
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point or line or segment that divides a line into 2 equal aprts
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congruent
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equal
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perpendicular line segment
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line that intersects to form a right angle (90 degrees)
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parallel lines
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line the same which never intersect. they go in the same direction
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perpendicular bisector
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a line that cuts another line into 2 congruent parts
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