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Covering & Surround
Covering & Surrounding
| Term | Definition |
|---|---|
| Area | The measure of the amount of surface enclosed by the boundary of a two-dimensional figure. Example: painting a wall, carpeting a floor) |
| Perimeter | The measure of the distance around a two-dimensional figure. Example: Fencing around a garden, trim along the walls) |
| Scalene triangle | A triangle with no sides of the same length |
| Surface Area | The total area of all the faces of a three-dimensional shape |
| Vertex | The corner of a polygon |
| Volume | The measure of space occupied by a three-dimensional shape; the number of unit cubes that will fit inside a three-dimensional shape |
| Edge | A line segment that is formed where two faces of a three-dimensional figure meet |
| Equilateral triangle | A triangle with all three sides of the same length |
| Face | A flat, two-dimensional surface of a three-dimensional shape |
| Isosceles triangle | A triangle with two sides of the same length |
| Net | A two-dimensional pattern that can be folded into a three-dimensional figure |
| Regular polygon | A polygon with all of its angles AND side lengths equal |
| Right triangle | A triangle with one right angle |
| Obtuse triangle | A triangle with one obtuse angle |
| Acute triangle | A triangle with all acute angles |
| Right angle | An angle that measures exactly 90 degrees |
| Perpendicular lines | Two lines that intersect to form right angles |
| Parallel lines | Two lines that will never intersect |
| Polygon | A closed shape formed by line segments, called sides (striaght lines, no intersections, closed figure) |
| Prism | A three-dimensional shape with a top and bottom base that are congruent polygons and all other sides are parallelograms |
| Pyramid | A three-dimensional shape with one polygonal base and all other triangular sides that meet at a vertex opposite the base |
| Adjacent | Means "next to" |
| Congruent | Having the exact same size and shape |
| Similar | Describes figures that have the same shape, but not necessarily the same size, corresponding sides are proportional in length |
| Parallelogram | A quadrilateral with two pairs of parallel sides (opposite sides are also congruent) |
| Trapezoid | A quadrilateral with at least one pair of opposite sides that are parallel |
| Rhombus | A quadrilateral that has all sides of the same length |
| Square | A quadrilateral with all sides of the same length and four right angles |
| Quadrilateral | A polygon with four sides |
| Height | The perpendicular distance from a vertex to the opposite side (base) of a figure |
Created by:
vinborg
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