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Geometry Terms
Geometry Terms for 5th grade
| Term | Meaning |
|---|---|
| volume | amount of space inside a 3 dimensional figure |
| right triangle | a triangle with 1 right angle and 2 acute angles |
| isosceles triangle | a triangle with at least two congruent sides |
| edge | line segment where 2 faces of a 3D figure meet |
| net | a 2 dimensional pattern of a 3D figure |
| prism | a 3D figure with 2 parallel, congruent faces, called bases; at least 3 faces are rectangles |
| acute triangle | a triangle with 3 acute angles |
| congruent figures | two figures that have the same size & shape |
| cubic unit | the unite of measure for volume |
| face | a flat surface |
| rectangular prism | a closed figure made up of line segments that DO NOT CROSS |
| net | a parallelogram with 4 congruent sides |
| triangle prism | a prism that has triangular bases |
| vertex | the point where 3 or more faces meet on a 3D figure |
| bases | two parallel congruent faces in a prism |
| cube | a 3D figure with 6 faces that are congruent squares |
| attribute | a characteristic of a figure |
| regular polygon | a polygon with all sides & anges are congruent |
| trapezoid | a quadrilateral with exactly 1 pair of opposite sides |
| square | a parallelogram with 4 congruent sides and 4 right angles |
| equilateral triangle | a triangle with 3 congruent sides |
| parallelogram | a quadrilateral with both pairs of opposite sides being parallel |
| congruent angles | angles of a figure that are equal in measure |
| scalene triangle | a triangle with NO congruent sides |
| 3 D figure | a figure that has length, width and height |
| rectangular prism | a prism that has rectangular bases |
| rectangle | a quadrilateral with 4 right angles; opposite sides are equal & parallel |
| unit cube | a cube with a side length of one unit |
| composite figure | a figure that is made up of two or more 3D figures |
| hexagon | a polygon with 6 sides & 6 angles |
| obtuse triangle | a triangle with 1 obtuse angle & 2 acute angles |
| congruent sides | sides of a figure that are equal in length |
| octagon | a polygon with 8 sides |
| pentagon | polygon with 5 sides |
| rhombus | a parallelogram with 4 congruent sides |
Created by:
JohnW
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