5.5A Shapes Hierarchy

Match the following types of triangles.

• No sides are equal length

• Isosceles Triangle

• All sides are equal length

• Scalene Triangle

• Only two sides are equal length

• Equilateral Triangle

A triangle has NO congruent (equal) sides and has an angle that is 90 degrees. What type of triangle it this called??

• Scalene Acute

• Equilateral Acute

• Isosceles Right

• Scalene Right

The figures share a characteristic. Which statement best describes these figures?

• They are all trapezoids.
• They are all rectangles.
• They are all squares.
• They are all quadrilaterals.

What does congruent mean?

• similar
• equal
• intersecting
• parallel

Which of the following best describes the triangle below?

• scalene right
• equilateral acute
• isosceles obtuse
• isosceles right

Which quadrilateral has exactly one pair of parallel sides?

• trapezoid
• rectangle
• parallelogram
• rhombus

This graphic organizer is not complete. What should be written in the empty box to best complete the organizer?

(a)  

• Rhombus
• triangle
• polygon
• trapezoid

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5.5

Angelina drew the diagram shown below. Which subset is NOT classified correctly on the diagram?

• Trapezoid

• Rhombus

• Triangle

• Rectangle

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5.5

Look at the diagram below. The diagram classifies triangles by –

• size

• lengths of sides

• angles

• alphabetical order

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5.5

Which diagram shows a set and subset that is correct?

• Rectangle, Trapezoid

• Parallelogram, Circle

• Quadrilateral, Hexagon

• Polygon, Quadrilateral

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5.5