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Stack #70568

All 3 sides are the same length. Equilateral Triangle
Only 2 of the 3 sides are the same length. Isosceles Triangle
None of the 3 sides are the same length. Scalene Triangle
When 2 lines meet and form a 90 degree angle. Right Angle
When 2 lines meet and form a less than 90 degree angle. Acute Angle
When 2 lines meet and form a greater than 90 degree angle. Obtuse Angle
A line that has 2 endpoints. Line Segment
A line that has only 1 end point. Ray
Two lines that never intersect each other. Parallel Lines
Two lines that intersect and form 90 degree angles. Perpendicular Lines
Two lines that cross and don't form 90 degree angles. Intersecting Lines
Two figures that are the same shape and size. Congruent Figures
Two figures that are the same shape but not the same size. Similar Figures
3 sided polygons Triangles
4 sided polygons Quadrilaterals
5 sided polygons Pentagons
6 sided polygons Hexagons
8 sided polygons Octagons
A closed plane figure made up of line segments. Polygon
A figure that has length, width, height, and volume. Solid Figures
A line on which a figure can be folded so that both halves are congruent. Line of Symmetry
Similar to a square but has no right angles and has 2 pairs of parallel sides. Rhombus
A figure that has only 1 pair of parallel sides. Trapezoid
Similar to a rectangle but has no right angles and 2 pairs of parallel sides. Parallelogram
To turn a plane figure over. Flip (REFLECTION)
To rotate a plane figure. Turn (ROTATION)
To move a plane figure in one direction. Slide (TRANSLATION)
A triangle with a right angle. Right Triangle
A triangle with all acute angles. Acute Triangle
A triangle with an obtuse angle. Obtuse Triangle
The common endpoints of two lines forming an angle. Vertex (Plural - Vertices)
The distance around a figure. (L + W + L + W = ?) Perimeter
The number of square units needed to cover a figure. (L x W = ?) Area (square____)
The number of cubic units needed to fill a solid. (L x W x H = ?) Volume (cubic___)
Name the 7 solids that we studied. Sphere, Cube, Rectangular Prism, Triangular Prism, Cylinder, Pyramid and Cone
Name the plane figue that is not a polygon. Circle
Created by: pam1