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Term 2 Test Vocab
Term 2 Test Vocab
20
Mathematics
7th Grade
03/11/2014

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Term
Septagon
Definition
A polygon with 7 sides.
Term
Octagon
Definition
A polygon with 8 sides
Term
vertex
Definition
The corner of a polygon
Term
Polygon
Definition
A closed 2-d figure with 3+ sides.
Term
Regular Polygon
Definition
Polygon with all equal sides
Term
Concave Polygon
Definition
Polygon that caves in
Term
Convex Polygon
Definition
Polygon that is not concave
Term
Pentagon
Definition
Polygon with 5 sides
Term
Hexagon
Definition
Polygon with 6
sides
Term
Nonagon
Definition
Polygon with 9 sides
Term
Quadrilateral
Definition
Polygon with 4 sides
Term
Trapezoid
Definition
A Quadrilateral with 1 pair of parallel sides
Term
Parallelogram
Definition
A Quadrilateral with 2 pairs of equal sides
Term
Rectangle
Definition
A parallelogram with 4 right angles
Term
Rhombus
Definition
A parallelogram with 4 equal sides
Term
Square
Definition
A parallelogram that is both a rhombus and a rectangle
Term
Congruent
Definition
equal
Term
perpendicular lines
Definition
lines that form a acute angle
Term
Complementary angles
Definition
Two angles whose sum is 90 degrees
Term
Supplementary angles
Definition
Two angles whose sum is 180 degrees
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