Classifying Triangles

Rohan, Aria, and Priya are building a sandcastle. They want to make a triangle with all sides of equal length. What type of triangle should they make?

• equilateral triangle

• right triangle

• scalene triangle

• isosceles triangle

Tags

CCSS.4.G.A.2

Olivia, Sophia, and Emma are having a debate. Olivia says that a triangle with two sides of equal length is called an isosceles triangle. Sophia thinks it's a right triangle, and Emma believes it's a scalene triangle. Who is correct?

• Olivia (isosceles)

• Sophia (right)

• Emma (scalene)

• None of them (equilateral)

Tags

CCSS.4.G.A.2

Emma, David, and Sophia are on a quest to find a magical triangle in their geometry book. They discovered that this special triangle has no sides of equal length. Can you help them identify the name of this triangle?

• Scalene triangle

• Right triangle

• Equilateral triangle

• Isosceles triangle

Tags

CCSS.4.G.A.2

Michael, Arjun, and Ava are on a quest to find a magical triangle that has all its angles less than 90 degrees. Can you help them identify the type of triangle they are looking for?

• obtuse triangle

• right triangle

• equilateral triangle

• acute triangle

Tags

CCSS.4.G.A.2

Ethan, Mason, and Evelyn are building a fort. They want to make a triangular flag for their fort. Mason suggests a triangle with one angle greater than 90 degrees. Can you help them identify what type of triangle Mason is suggesting?

• obtuse triangle

• equilateral triangle

• right triangle

• acute triangle

Tags

CCSS.4.G.A.2

Anika, Henry, and Aiden are building a fort. They want to make sure one of the corners is a perfect right angle for stability. Can you help them figure out which type of triangle they should use for this corner?

• right triangle

• isosceles triangle

• equilateral triangle

• obtuse triangle

Tags

CCSS.4.G.A.2

Aiden, Olivia, and Luna are building a fort. They want to make a triangular entrance. Aiden suggests a triangle with one angle greater than 90 degrees and two angles less than 90 degrees. What type of triangle is Aiden suggesting?

• Obtuse triangle

• Equilateral triangle

• Acute triangle

• Right triangle

Tags

CCSS.4.G.A.2

Liam, Charlotte, and Evelyn are building a fort. They want to make sure one of the walls forms a 90-degree angle with the ground and the other two angles are less than 90 degrees. What type of triangle are they trying to create?

• Equilateral triangle

• Obtuse triangle

• Acute triangle

• Right triangle

Tags

CCSS.4.G.A.2

Maya, William, and Aria are on a quest to find a magical triangle. They discovered a triangle that has one angle greater than 90 degrees and two angles equal to 90 degrees. Can you help them identify what type of triangle it is?

• Isosceles triangle

• Acute triangle

• Right-angled obtuse triangle

• Equilateral triangle

Tags

CCSS.4.G.A.2

Grace, Ethan, and Abigail are on a treasure hunt. They found a map with a triangle marked on it. If all the angles of this triangle are 90 degrees, what type of triangle would it be?

• right triangle

• isosceles triangle

• equilateral triangle

• scalene triangle

Tags

CCSS.4.G.A.2