# Shared Flashcard Set

## Details

Geometry Vocabulary
Geometry Vocabulary For EOG
36
Mathematics
01/24/2010

Term
 congruent
Definition
 the same or equal
Term
 perpenidcular
Definition
 lines that form a right angle (90 degree)
Term
 parallel
Definition
 lines that stay an equal distance aprt from each other and never intersect
Term
 triangle
Definition
 a polygon with three sides
Term
 isosceles triangle
Definition
 a triangle that has two congruent sides and two congruent angles
Term
 equilateral triangle
Definition
 a triangle in which all sides and angles are congruent
Term
 scalene triangle
Definition
 a triangle in which none of the side or angles are congruent
Term
 right triangle
Definition
 a triangle in which one angle is 90 degrees
Term
 perimeter
Definition
 the distance around a polygon's sides
Term
 acute angle
Definition
 an angle that has a measure between 0 degrees and 90 degrees
Term
 right angle
Definition
 an angle that measures 90 degrees
Term
 obtuse angle
Definition
 an angle that has a measure between 90 degrees and 180 degrees
Term
 straight angle
Definition
 an angle that measures 180 degrees
Term
 hexagon
Definition
 a polygon that has six sides
Term
 intersect
Definition
 to cross or touch
Term
 (n-2) x 180
Definition
 the formula for finding the sum of the angles of any polygon
Term
 square
Definition
 a quadrilateral with 4 congruent sides and 4 4 right angles
Term
 rectangle
Definition
 a quadrilateral with 4 right angles and opposite congruent sides
Term
Definition
 a polygon with 4 sides
Term
 polygon
Definition
 any enclosed shape made up of line segments
Term
Definition
 next to
Term
 diagonal
Definition
 a line from one vertex to a non-adjacent vertex
Term
 pentagon
Definition
 a polygon with 5 sides
Term
 regular polygon
Definition
 any polygon where all sides and angles are congruent
Term
 180 degrees
Definition
 the sum of the angles of a triangle
Term
 parallelogram
Definition
 a quadrilateral in which both pairs of sides are parallel
Term
 360 degrees
Definition
 the sum of the angles of a quadrilateral
Term
 vertex
Definition
 where two lines come together
Term
 vertices
Definition
 two or more vertex
Term
 540 degrees
Definition
 the sum of the angles of a pentagon
Term
 60 degrees
Definition
 each angle measurement of an equilateral triangle
Term
 trapezoid
Definition
 a quadrilateral with only one pair of parallel sides
Term
 octagon
Definition
 a polygon with eight sides
Term
 rhombus
Definition
 a quadrilateral with four congruent sides, but no right angles
Term
 720 degrees
Definition
 the sum of the angles of a hexagon
Term
 1,080 degrees
Definition
 the sum of the angles of an octagon
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