Geometry Classification

What is the best way to classify the triangle that belongs in the shaded section of this Venn diagram?

• Equilateral right triangle

• 
  Scalene obtuse triangle

• Isosceles right triangle

• Isosceles acute triangle

Which shapes are NOT classified correctly?

• 1 and 4

• 2 and 5

• 4 and 5

• 2 and 3

Which triangle would belong in the intersection of "Acute Triangles" and "Scalene Triangles"

• F

• G

• H

• J

What does Asher's diagram show?

• All quadrilaterals are trapezoids

• All trapezoids are quadrilaterals.

• All trapezoids are parallelograms.

• All squares are trapezoids.

Roberto created the graphic organizer below to classify two-dimensional figures. What figure always belongs in the shaded area?

• Trapezoids

• Hexagons

• Rhombuses

• Squares

Megan sorted shapes given by her teacher into the graphic organizer below. Which shapes are classified correctly?

• Shapes 1 and 2

• Shapes 3 and 4

• Shapes 1, 2, 3, and 4

• Shapes 2, 3, and 4

What should be written in the empty box to best complete the organizer?

• Equilateral

• Polygon

• Rhombus

• Triangle

Which diagram shows a set and subset that is correct?

• A

• B

• C

• D

Which diagram shows a set and subset that is NOT correct?

• A

• B

• C

• D

Every trapezoid is a quadrilateral.

• True

• False