Classifying 2-D Shape

Which of the shapes are trapeziods?

Complete the checklist

Label the diagram below

b

d

Only obtuse angles

Equilateral triangle

Perpendicular sides

Parallel Sides

Complete the checklist

Label the ?

c

Rhombus

Trapezoid

Parallelogram

Equilateral

Match the following triangles with their side classification.

• Scalene Triangle

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• Isosceles Triangle

• 
• Equilateral Triangle

• 

Match the following triangles with their angle classification.

• Right Triangle

• 
• Obtuse Triangle

• 
• Acute Triangle

• 

What is the best classification for this triangle?

• Isosceles Acute

• Scalene Acute

• Isosceles Obtuse

• Equilateral

• Scalene Obtuse

Side Classification: ​ (a)  

Angle Classification: ​ (b)  

• Scalene
• Right
• Isosceles
• Acute
• Obtuse
• Equilateral

The diagram shows some relationships among shapes. Which of the shapes below should be classified under trapezoid?

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• 
• 
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