Classify Two Dimensional Shapes

The figure can be classified as –

• a parallelogram but not a rectangle

• a rhombus but not a square

• a rectangle but not a rhombus

• a quadrilateral but not a parallelogram

How is the figure above best classified?

• Scalene triangle

• Isosceles triangle

• Obtuse triangle

• Right triangle

A Venn diagram is shown above. Which polygon would belong in the intersection of the two circles?

• Square

• Quadrilateral

• Isosceles Triangle

• Octagon

A polygon is:

• An open shape with the same sides and angles

• Polygons are 2-dimensional shapes. They are made of straight lines, and the shape is "closed" (all the lines connect up).

• A 3d shape that is not joined by lines.

Which of the following is a characteristic of a square but NOT a rectangle?

• Four sides

• Four right angles

• All sides are equal in length

• Two pairs of parallel sides

Which shape has exactly one pair of parallel sides?

• Rectangle

• Square

• Trapezoid

• Pentagon

A 2D shape that has 4 sides of equal length and no right angles is called a:

• Square

• Rectangle

• Rhombus

• Trapezoid

• The figure is a parallelogram and a quadrilateral.

• The figure is not a quadrilateral because it does not have 4 sides.

• The figure is a trapezoid and quadrilateral.

• The figure is a square and a quadrilateral.

A rectangle must be a __________ and a __________.

• parallelogram, rhombus

• square, quadrilateral

• trapezoid, square

• quadrilateral, parallelogram

I am a triangle with all sides measuring less than 90 degrees. What am I?

• Right triangle

• Scalene triangle

• Acute triangle

• Obtuse triangle