Triangle Identification/Classification Quiz

Identify the type of triangle with angles measuring 60°, 60°, and 60°.

• Right-angled triangle

• Equilateral triangle

• Scalene triangle

• Isosceles triangle

Identify the type of triangle with one angle measuring 90°.

• Right-angled triangle

• Isosceles triangle

• Scalene triangle

• Equilateral triangle

Identify the type of triangle with one angle measuring more than 90°.

• Equilateral triangle

• Right triangle

• Obtuse triangle

• Acute triangle

Identify the type of triangle with sides measuring 5cm, 5cm, and 5cm.

• Scalene triangle

• Isosceles triangle

• Equilateral triangle

• Right-angled triangle

Classify the triangle with angles measuring 45°, 45°, and 90°.

• Scalene triangle

• Equilateral triangle

• Right-angled isosceles triangle

• Obtuse-angled isosceles triangle

Classify the triangle with angles measuring 30°, 60°, and 90°.

• Right-angled triangle

• Acute-angled triangle

• Isosceles triangle

• Equilateral triangle

Tags

CCSS.4.G.A.2

Classify the triangle with angles measuring 90°, 45°, and 45°.

• Right isosceles triangle

• Equilateral triangle

• Acute isosceles triangle

• Obtuse scalene triangle

Classify the triangle with sides measuring 3cm, 4cm, and 5cm.

• Equilateral triangle

• Isosceles triangle

• Right-angled triangle

• Scalene triangle

Classify the triangle with sides measuring 8cm, 8cm, and 8cm.

• Equilateral triangle

• Right-angled triangle

• Isosceles triangle

• Scalene triangle