Module 9 Two Dimensional

What shape do you see?

• octagon

• triangle

• circle

• hexagon

What shape do you see?

• oval

• circle

• pentagon

• octagon

What shape do you see?

• rhombus

• circle

• star

• rectangle

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.

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

Which of the following organizers shows the progression of quadrilaterals from least specific to most specific in regards to their attributes and properties?

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