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Covering & Surrounding

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