Geometry Review

Which shape was not classified correctly?

• Shape 4

• Shape 5

• Shape 7

• Shape 8

Alex filled out a graphic organizer about polygons. Here is a section of his graphic organizer. 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

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

• Quadrilateral

• Rhombus

• Triangle

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

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

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

This Venn diagram shows the relationship between some types of triangles. Which triangle belongs in the intersection of 'Acute triangles' and 'Isosceles triangles'?

• F

• G

• H

• J

What quadrilateral has two sets of parallel sides and four right angles?

• Rectangle

• Parallelogram

• Trapezoid

• Rhombus

A triangle has a 90° angle and two congruent sides. Which describes the triangle?

• Scalene, Right

• Isosceles, Acute

• Equilateral, Obtuse

• Isosceles, Right

What is the name of this polygon?

• Hexagon

• Octagon

• Pentagon

• Heptagon