Unit 6 Geometry Set 2

Created by mulroyb 

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Polygon

a closed figure with straight lines

Triangle

a polygon with 3 sides

Angles of a triangle

the sum of the measures of the angles of any triangle is 180 degrees

Scalene

a polygon with no sides equal

Isosceles

a polygon with 2 sides equal

Equilateral

a polygon with all sides equal

Acute triangle

a triangle with all 3 angles less than 90 degrees

Equianagular

a polygon with all angles equal

Obtuse triangle

a triangle with one obtuse angle

Right triangle

a triangle with one right angle

Quadrilateral

a polygon with 4 sides

Parallelogram

a quadrilateral with opposite sides parallel

Rectangle

a parallelogram with 4 right angles

Square

a rectangle with all sides congruent

Rhombus

a parallelogram with all sides congruent

Trapezoid

a quadrilateral with one pair of parallel sides

Kite

a quadrilateral with neighboring sides congruent

Pentagon

a polygon with 5 sides

Hexagon

a polygon with 6 sides

Heptagon

a polygon with 7 sides

Octagon

a polygon with 8 sides

Nonagon

a polygon with 9 sides

Decagon

a polygon with 10 sides

Dodecagon

a polygon with 12 sides

Icosagon

a polygon with 20 sides

Congruent polygons

polygons that are the same size and same shape

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