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Geometry Vocabulary
Question | Answer |
---|---|
The face on which a three dimensional object sits | Base |
A three dimensional figure with six congruent faces | Cube |
A ten-sided polygon | Decagon |
A six-sided polygon | Hexagon |
An eight-sided polygon | Octagon |
A five-sided polygon | Pentagon |
Two lines that form a right angle where they intersect | Perpendicular |
A closed figure made with 3 or more straight sides | Polygon |
A 3-D figure whose base is a polygon and all other faces are triangles | Pyramid |
A 3-D figure whose 2 congruent bases are polygons and all other faces are rectangles | Prism |
A 4-sided polygon | Quadrilateral |
An angle that measures 90 degrees | Right angle |
An angle that measures less than 90 degrees | Acute angle |
An angle that measures more than 90 degrees, but less than 180 degrees | Obtuse angle |
A three-sided polygon | Triangle |