Vocabulary
Classifying Polygons
Classifying Triangles
Classifying Quadrilaterals
More Vocab.
100
What type of triangle has one obtuse angle?
obtuse triangle
100
What type of polygon is this?
hexagon
100
Name this triangle:
equilateral triangle OR acute triangle
100
Name this quadrilateral:
parallelogram
100
What type of polygon has four sides
quadrilateral
200
What is a closed plane shape having three or more straight sides called?
polygon
200
What type of polygon is this?
nonagon
200
Classify this triangle by its sides.
scalene triangle
200
Name this quadrilateral:
trapezoid
200
What type of angle measures exactly 180 degrees?
straight angle
300
What polygon has opposite sides that are parallel and of equal length and opposite angles that are equal?
parallelogram
300
What type of polygon is this?
pentagon
300
Classify this triangle by its angles.
obtuse triangle
300
Give TWO names for this quadrilateral:
parallelogram AND rectangle
300
What type of polygon has three equal sides and angles? (be specific)
equilateral triangle
400
What type of polygon only has one set of parallel sides?
trapezoid
400
What type of polygon is this?
heptagon
400
Give TWO names for this triangle:
isosceles AND obtuse
400
Give TWO names to the quadrilateral below:
parallelogram AND rhombus
400
What type of polygon has eight sides?
octagon
500
What type of triangle has only two sides that are equal in length?
isosceles triangle
500
What type of polygons are these?
quadrilaterals
500
Give TWO names for the triangle below:
scalene AND right
500
Give FOUR names for the quadrilateral below:
parallelogram AND rectangle AND rhombus AND square
500
What type of polygon has four equal sides?
rhombus