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GEOMETRY
6TH GRADE GEOMETRY
| Question | Answer |
|---|---|
| face | a flat surface of a solid figure |
| hexagon | a polygon with six sides and six angles |
| line of symmetry | the center fold of a figure where both sides match equally |
| octagon | a polygon with eight sides |
| parallel lines | lines that never intersect and are always the same distance apart |
| parallelogram | a quadrilateral with both opposite sides parallel and congruent |
| pentagon | a polygon with five sides |
| area | the number of square units needed to cover a surface |
| circumference | the distance around a circle |
| closed figure | a figure that begins and ends at the same point |
| cone | a solid figure that has a circular base and one vertex |
| congruent | having the same size and shape |
| corresponding angles | angles that are in the same position in different plane figures |
| cylinder | a solid figure with two parallel bases that are congruent |
| edge | the line segment where two faces of a solid figure meet |
| solid figure | a three dimensional figure |
| sphere | a solid figure that has the shape of a round ball |
| square | a quadrilateral with four equal sides and four right angles |
| symmetry | when one half of a figure looks like the mirror image of the other half |
| two dimensional | measured in two directions, such as length and width |
| three dimensional | measured in three directions, such as length, width, and heigth |
| trapezoid | a quadrilateral with one pair of parallel sides |
| triangle | a polygon with three sides and three angles |
| vertex | the point at which rays of an angle or line segments meet in a plane figure or in a solid figure |
| perpendicular lines | two lines that intersect to form four right angles |
| polygon | a closed plane figure with straight sides |
| polyhedron | a solid figure with flat faces that are polygons |
| prism | a solid figure that has two congruent, polygon-shaped bases, and other faces that are all rectangles |
| pyramid | a solid figure with a polygon base and triangular sides which meet at a single point |
| quadrilateral | a polygon with four sides |
| rectangle | a parallelogram with four right angles |
| regular polygon | a polygon in which all sides are congruent and all angles are congruent |
| rhombus | a parallelogram with four congruent sides |
| scale drawing | a drawing that shows a real object smaller than or larger than the real object |
| similar figures | figures that have the same shape but may have different sizes |