Polygon Vocabulary
Closed shape, straight lines
Polygons
I am a 3-sided figure. What polygon am I?
Triangle
A circle is a polygon.
False, because a circle has no straight edges
A triangle that has three equal sides
Equilateral
A polygon with two pairs of parallel sides that are equal in length
Parallelogram
Where two or more lines meet.
Intersect
I am an enclosed 6-sided figure. What kind of polygon am I?
Hexagon
Polygons all have four sides.
False, Polygons are figures that have at least 3 straight sides and are enclosed.
A triangle that has two equal sides
Isosceles
A polygon with only one pair of parallel sides
Trapezoid
A polygon with 4 sides
quadrilateral
I am an enclosed 5-sided figure. What kind of polygon am I?
Pentagon
Polygons have at least three sides
True
A triangle that has no equal sides
Scalene
Four congruent sides & Four right angles
Square
of the exact same size & shape
congruent
I am an enclosed 8-sided figure. What kind of polygon am I?
octagon
Polygons are three dimensional
False, Two dimensional
A triangle that has a right angle
Right Triangle
A parallelogram with sides the same length
Rhombus
What is a point where two or more line segments meet?
Vertex
I am an enclosed 9-sided figure. What kind of polygon am I?
Nonagon
Polygons are enclosed straight-lined figures.
True
A triangle that has three acute angles
Acute Triangle
4 right angles & two parallel sides
Rectangle