Two Dimensional Figures

This graphic organizer is being used to classify triangles based on their angle measures or side lengths. Which list shows all of the ways this triangle could be classified?

• Acute only

• Equilateral only

• Acute and isosceles only

• Acute, isosceles, and equilateral only

Which shape is NOT sorted correctly in the graphic organizer?

• Circle

• Pentagon

• Quadrilateral

• Triangle

The graphic organizer shown can be used to classify triangles. Which triangle can be classified as scalene?

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Quadrilaterals can be classified using the graphic organizer shown.Which term best classifies the shapes that belong in the shaded section of the organizer?

• Parallelogram

• Polygon

• Pentagon

• None of these

A student used this graphic organizer to classify different figures. Which figures belong in the part of the organizer labeled “Isosceles triangles”?

• Figures II and V only

• Figures I, III, and V only

• Figures I and III only

• Figures II, IV, and V only

Which shapes appear to be classified correctly?

• Shapes 1 and 3 only

• Shapes 2 and 4

• Shapes 1, 2, and 3

• Shapes 1,3, and 4

Gerard classified shapes based on the types of angles they had. The table shows her classifications. Which shape was not classified correctly?

• Shape 4

• Shape 5

• Shape 7

• Shape 9

Nathan built the hanging mobile shown in the picture to show some relationships among shapes. Which shape goes in the empty box in order to complete Nathan’s mobile?

• Trapezoid

• Rhombus

• Triangle

• Quadrilateral

In the diagram shown each circle represents a group of polygons. If a polygon belongs in a circle, it also belongs in any larger circle. Which kind of polygon belongs in the shaded circle?

• Trapezoids

• Squares

• Pentagons

• Rhombuses

This Venn diagram is being used to classify two types of quadrilaterals. Which type of figure will always belong in the shaded section of this Venn diagram?

• Rectangle

• Rhombus

• Square

• Trapezoid