Classifying Triangles by Angles (Pythagorean Theorem, Use Notes)

Determine if segment lengths 3, 7, and 4 can produce a triangle.

If so, classify the triangle by angle measures.

• Not a Triangle

• Acute Triangle

• Right Triangle

• Obtuse Triangle

Determine if segment lengths 3, 3, and 4 can produce a triangle.

If so, classify the triangle by angle measures.

• Not a Triangle

• Acute Triangle

• Right Triangle

• Obtuse Triangle

Determine if segment lengths 5, 7, and 4 can produce a triangle.

If so, classify the triangle by angle measures.

• Not a Triangle

• Acute Triangle

• Right Triangle

• Obtuse Triangle

Determine if segment lengths 20, 13, and 35 can produce a triangle.

If so, classify the triangle by angle measures.

• Not a Triangle

• Acute Triangle

• Right Triangle

• Obtuse Triangle

Determine if segment lengths 5, 3, and 4 can produce a triangle.

If so, classify the triangle by angle measures.

• Not a Triangle

• Actue Triangle

• Right Triangle

• Obtuse Triangle

Match the side lengths with the correct triangle description.

• 25, 18, 24

• Obtuse Triangle

• 25, 18, 4

• Acute Triangle

• 33, 26, 58

• Right Triangle

• 36, 60, 48

• Not a Triangle

Challenge: Measurements of 4 cm, 7 cm, and ​ (a)   form a triangle

• 6 cm
• 11 cm
• 3 cm
• 2 cm
• 12 cm