Polygon Review

The figures below were correctly grouped together. Which BEST describes any figure that belongs to this group?

• It must have parallel sides

• It must have exactly 4 angles

• It must have perpendicular sides

• It must have at least 2 congruent angles

How many sets of parallel lines does this shape have?

• none

• one

• two

• three

Which of the following is true about the angles shown in this triangle?

• The angles in this triangle are all right angles

• The angles in this triangle are all obtuse angles

• The angles in this triangle are all acute angles

• It is unclear if the angles in this triangle are acute, obtuse, or right.

Answer explanation

Acute angles are less than $90\degree$

Which of the following statements about the figures below is true?

• The figures are similar

• The figures are congruent

• The figures are neither similar or congruent

• The figures are equal

Which of the following statements about the windows on the house is true?

• The windows on the house are similar figures because they are the same shape and the same size.

• The windows on the house are congruent figures because they are the same shape and the same size.

• The windows on the house are similar figures because they are the same shape, but different sizes

• The windows on the house are neither similar or congruent because they are not the same shape.

A hexagon has ______ sides.

(Type a number for the answer)

Which shape has the most number of sides?

• triangle

• hexagon

• heptagon

• decagon

Answer explanation

A decagon has 10 sides!

Which of the following correctly orders the polygons by their number of sides from least to greatest?

• pentagon, octagon, triangle, nonagon

• triangle, pentagon, octagon, nonagon

• nonagon, octagon, pentagon, triangle

• triangle, nonagon, octagon, pentagon

How many ways can you classify a square?

(3 correct answers)

• rectangle

• triangle

• rhombus

• parallelogram

Which statement is true?

• Every rhombus is also a square

• Every rectangle is also a square

• Every rectangle is also a parallelogram

• Every trapezoid is also a parallelogram