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5thgradegeometrych12
vocabulary
| Question | Answer |
|---|---|
| area | number of square units to cover a figure |
| perimeter | distance around a figure |
| triangle | polygon with 3 angles and 3 sides |
| acute triangle | all angels measure less than 90 degrees |
| right triangle | one angle measures exactly 90 degrees |
| obtuse triangle | one angle measures more than 90 degrees |
| equilateral triangle | all 3 sides are the same length |
| isosceles triangle | 2 sides are the same length |
| scalene triangle | no side is the same length as any other |
| trapezoid | has one pair of parallel sides |
| parallelogram | opposite sides have the same length and are parallel |
| rhombus | parallelogram with all sides the same length |
| rectangle | parallelogram with 4 right angles |
| face | plane figure that is one side of a solid figure |
| edge | the line where two faces of a solid figure meet |
| vertex | point at which two lines meet to form an angle point on a polyhedron where three or more faces intersect |
| volume of a solid | the number of cubes (cubic units) that it takes to fill a solid |
| prism | has two identical bases and a 4 sided face for each side of a base |
| pyramid | has one base and a face for each side of the base |
| cylinder | has two circular bases which are connected by a curved surface |
| cone | has one circular base and a curved surface that connects the base to the vertex |
| sphere | has one curved surface and every point is the same distance from the center |