Classifying Polygons

Sabra's glasses have lenses that are the shape shown in the picture below. Which of the following could NOT be used to describe the lenses? 

• Quadrilateral

• Regular Polygon

• Hexagon

• Opposite sides parallel

Harry drew the triangles shown. Which of the following correctly describes the triangles? 

• All triangles have a right angle.

• Only one triangle has an acute angle.

• All triangles have at least two obtuse angles.

• All triangles have at least one acute angles.

This is a polygon

• True

• False

This is a polygon.

• True

• False

These are polygons.

• True

• False

Patrice drew a polygon with four right angles and four equal sides.

What is the most specific figure that Patrice drew?

• circle

• trapezoid

• triangle

• square

Mr. Roper sorted shapes into three groups. He then asked students to describe each group based on the shapes inside it. What description should the students have used for Group B?

• Quadrilaterals

• Only parallel sides

• Only perpendicular sides

• Both parallel and perpendicular sides

Identify ALL of the correct names for the geometric figure. There may be more than one.

• polygon, quadrangle, parallelogram, rhombus

• polygon

• polygon, quadrangle, parallelogram, rectangle

• polygon, quadrangle

What do the shapes below have in common?

• Each shape has 2 pairs of parallel sides.

• Each shape has 4 equal sides.

• Each shape has 2 pairs of perpendicular sides.

• Each shape has 4 right angles.

Jim made a picture using a quadrilateral that has 2 pairs of parallel lines. All its sides have the same length, but it does not have right angles. Which figure did he draw?

• trapezoid

• rhombus

• rectangle

• triangle