# Flashcards - FTCE Math: Quadrilaterals & Polygons

Flashcards - FTCE Math: Quadrilaterals & Polygons
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square
In geometry, a square is a regular quadrilateral, which means that it has four equal sides and four equal angles
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area
Area is the quantity that expresses the extent of a two-dimensional figure or shape, or planar lamina, in the plane
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rectangle
In Euclidean plane geometry, a rectangle is a quadrilateral with four right angles
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parallelogram
In Euclidean geometry, a parallelogram is a simple quadrilateral with two pairs of parallel sides
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9 cards in set
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parallelogram
In Euclidean geometry, a parallelogram is a simple quadrilateral with two pairs of parallel sides
rectangle
In Euclidean plane geometry, a rectangle is a quadrilateral with four right angles
area
Area is the quantity that expresses the extent of a two-dimensional figure or shape, or planar lamina, in the plane
square
In geometry, a square is a regular quadrilateral, which means that it has four equal sides and four equal angles
regular polygon
In Euclidean geometry, a regular polygon is a polygon that is equiangular and equilateral
similar
Two geometrical objects are called similar if they both have the same shape, or one has the same shape as the mirror image of the other
congruent
In geometry, two figures or objects are congruent if they have the same shape and size, or if one has the same shape and size as the mirror image of the other
diagonal
In geometry, a diagonal is a line segment joining two vertices of a polygon or polyhedron, when those vertices are not on the same edge
geometry proof
In mathematics, a proof is a deductive argument for a mathematical statement

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