Classification
Polygons
Triangles
Quadrilaterals
True or False?
100
Classify.
equilateral, acute triangle
100
I am a polygon with 3 sides and 3 angles. What am I?
triangle
100
Describe an isosceles, obtuse triangle.
2 congruent sides, 1 obtuse angle
100
What quadrilateral has exactly one pair of parallel sides?
A trapezoid
100
Quadrilateral? T or F?
True
200
Classify
Scalene, obtuse triangle
200
What makes a polygon regular?
All sides are congruent and all angles are congruent.
200
If a triangle has 0 congruent sides, what type of triangle is this?
Scalene triangle
200
How is a trapezoid different from a parallelogram?
A parallelogram has 2 pairs of parallel sides, while the trapezoid only has 1.
200
The only polygons this shape can be classified as are quadrilateral and rhombus? T or F?
False; it can also be a parallelogram
300
Classify in as many ways
quadrilateral and parallelogram
300
I am a polygon with 9 sides and 9 angles. What am I?
nonagon
300
What kind of triangle is this?
scalene, acute triangle
300
I am a special parallelogram with 4 congruent sides. What am I?
rhombus
300
Square? T or F?
False
400
Classify
isosceles, acute triangle
400
Name this polygon. Is it regular or not regular?
Regular hexagon.
400
What kind of triangle is this?
Isosceles, right triangle
400
Name this quadrilateral. 
It cannot be a quadrilateral because it has more than 4 sides and 4 angles.
400
Parallelogram? T or F?
True
500
Classify in as many ways possible.
square, rectangle, quadrilateral, parallelogram, rhombus
500
Name this polygon. 
Quadrilateral
500
Sebastian says the pen for his horse is an acute right triangle. Is this possible? Explain.
No, it can be right or acute but not both.
500
If a figure is a square, then it is a regular quadrilateral. Is this true of false?
True, because a square has 4 sides and 4 angles to be classified as a quadrilateral. Because all 4 sides and 4 angles are congruent, this also makes it regular.
500
A triangle has the following side lengths and angle measures:
Sides: 44 mm, 28 mm, 24 mm
Angles: 110∘, 40∘, 30∘
This is an isosceles, acute triangle. T or F?
False. It is a scalene, obtuse triangle.