# Shared Flashcard Set

## Details

Math Vocab
Chapter 10
23
Mathematics
03/13/2013

Term
 acute triangle
Definition
 a triangle that has 3 acute angles
Term
 congruent
Definition
 having the same size and shape
Term
 decagon
Definition
 a polygon with 10 sides and 10 angles
Term
 equlateral triangle
Definition
 a triangle with 3 congruent sides
Term
 hexagon
Definition
 a polygon with 6 sides and 6 angles
Term
 isosceles triangle
Definition
 a triangle with exactly two congruent sides
Term
 nets
Definition
 a two dimensional pattern that can be folded into a three dimensional polyhedron
Term
 obtuse triangle
Definition
 a triangle that has one obtuse angle
Term
 octagon
Definition
 a polygon with 8 sides and 8 angles
Term
 parallelogram
Definition
 a quadrilateral whose opposite sides are parallel and have the same length, or are congruent
Term
 polygon
Definition
 a closed plane figure formed by three or more line segments
Term
Definition
 a polygon with four sides and four angles
Term
 rectangle
Definition
 a parallelogram with four right angles
Term
 rhombus
Definition
 a parallelogram with four equal, or congruent, sides
Term
 right triangle
Definition
 a triangle that has a right angle (90 degrees)
Term
 scalene triangle
Definition
 a triangle with no congruent sides
Term
 trapezoid
Definition
 a quadrilateral with exactly one pair of parallel sides
Term
 edge
Definition
 the line made where two faces of a solid figure meet
Term
 face
Definition
 a polygon that is a flat surface of a solid figure
Term
 polyhedron
Definition
 a solid figure with faces that are polygons
Term
 protractor
Definition
 a tool used for measuring or drawing angles
Term
 regular polygon
Definition
 a polygon in which all sides are congruent and all angles are congruent
Term
 vertices
Definition
 the point where two or more rays meet; the point of intersection of two sides of a polygon; the point of intersection of 3 or more edges of a sold figure; the top point of a cone
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