Triangles: Classifying by Sides and Angles Challenge

A gardener is designing a triangular flower bed. If one side is 5 feet, another side is 5 feet, and the last side is 8 feet, how would you classify this triangle by its sides?

• Isosceles triangle

• Equilateral triangle

• Right triangle

• Scalene triangle

In a park, a triangular playground has angles measuring 60 degrees, 60 degrees, and 60 degrees. What type of triangle is this based on its angles?

• Isosceles triangle

• Scalene triangle

• Right triangle

• Equilateral triangle

A triangular banner has sides measuring 7 cm, 10 cm, and 7 cm. How would you classify this triangle by its sides?

• Right triangle

• Equilateral triangle

• Isosceles triangle

• Scalene triangle

A triangular slice of pizza has angles of 45 degrees, 45 degrees, and 90 degrees. What type of triangle is it based on its angles?

• Acute triangle

• Equilateral triangle

• Right isosceles triangle

• Scalene triangle

A triangular roof has sides measuring 12 m, 12 m, and 15 m. How would you classify this triangle by its sides?

• Scalene triangle

• Right triangle

• Equilateral triangle

• Isosceles triangle

In a school project, a student creates a triangle with angles of 30 degrees, 60 degrees, and 90 degrees. What type of triangle is this based on its angles?

• Acute triangle

• Obtuse triangle

• Right triangle

• Equilateral triangle

A triangular piece of land has sides measuring 9 m, 12 m, and 15 m. How would you classify this triangle by its sides?

• isosceles

• equilateral

• right

• scalene

A triangular flag has angles of 70 degrees, 50 degrees, and 60 degrees. What type of triangle is it based on its angles?

• right triangle

• obtuse triangle

• acute triangle

• scalene triangle

A triangular garden has sides measuring 6 ft, 8 ft, and 10 ft. How would you classify this triangle by its sides?

• scalene right triangle

• equilateral triangle

• scalene acute triangle

• isosceles triangle

A triangular window has angles of 80 degrees, 50 degrees, and 50 degrees. What type of triangle is it based on its angles?

• Equilateral triangle

• Scalene triangle

• Obtuse triangle

• Right triangle