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Classifying Polygons
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Flashcards made for Mrs.Bogema's Polygons Unit.
Terms in this set (16)
Polygon
a closed plane figure bounded by straight sides
Regular Polygon
a polygon with all sides and all angles equal
Rhombus
a parallelogram with four equal sides
Square
a plane rectangle with four equal sides and four right angles
Isosceles Triangle
a triangle with two equal sides
Vertex
A point where two or more straight lines meet.
Quadrilateral
a four-sided polygon
Acute Triangle
a triangle whose interior angles are all acute
Right Triangle
a triangle with one right angle
Obtuse Triangle
a triangle that contains an obtuse interior angle
Scalene Triangle
a triangle with no two sides of equal length
Perimeter
the size of something as given by the distance around it
Trapezoid
a quadrilateral with two parallel sides
Parallelogram
a quadrilateral whose opposite sides are both parallel and equal in length
Rectangle
a parallelogram with four right angles
Equilateral Triangle
a three-sided regular polygon
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