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15 questions
A triangle with all angles less than 90 degrees
acute
right
obtuse
A triangle with one 90 degree angle
right triangle
obtuse triangle
acute triangle
a triangle with one angle over 90 degrees
obtuse triangle
acute triangle
right triangle
opposite sides are parallel and equal
quadrilateral
parallelogram
trapezoid
polygon
parallelogram with 4 right angles
rhombus
rectangle
quadrilateral
polygon
parallelogram with 4 right angles and 4 equal sides
parallelogram
rectangle
square
rhombus
parallelogram with 4 equal sides
square
rectangle
trapezoid
rhombus
exactly one pair of parallel sides
square
rectangle
triangle
trapezoid
polygon with 4 sides
quadrilateral
pentagon
hectagon
octagon
polygon with 5 sides
quadrilateral
octagon
hexagon
pentagon
polygon with 6 sides
pentagon
octagon
hexagon
triangle
polygon with 8 sides
pentagon
octagon
hexagon
quadrilateral
identical in size and shape
congruent
twins
uniform
alike
lines that never intersect
straight lines
equal lines
parallel lines
congruent lines
-at least 3 sided
-no curved or intersecting sides
-must be a closed 2D shape
circle
stop sign
cube
polygon
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