A scalene triangle has no two sides of equal length. The pictured triangle has sides 4 cm, 6 cm, and 9 cm. What kind of triangle is it?

An isosceles triangle has at least two sides of equal length. A triangle has sides 8 cm, 8 cm, and 5 cm. What kind of triangle is it?

A triangle has sides 7 m, 7 m, and 7 m. Is it equilateral or scalene?

True or False: A triangle with sides 5 cm, 5 cm, and 5 cm is isosceles.

A triangle has sides 7 m, 11 m, and 13 m. What kind of triangle is it?

Which set of side lengths belongs to an equilateral triangle?

Which set of side lengths belongs to a scalene triangle?

Which set of side lengths belongs to a triangle with exactly two equal sides?

A triangle has sides 12 cm, 9 cm, and 12 cm. What kind of triangle is it?

Which set of side lengths could NOT form an isosceles triangle?

Marcus draws a triangle with sides 4 cm, 7 cm, and 4 cm. Which word describes his triangle?

A garden is shaped like a triangle with sides 8 m, 10 m, and 15 m. Which word describes this triangle?

A student says a triangle with sides 5 cm, 7 cm, and 9 cm is isosceles. What did the student get wrong?

A triangle has sides 11 cm, 11 cm, and 11 cm. Which name is NEVER correct for this triangle?

A triangle has two sides that measure 8 cm each, but the length of the third side is not given. What is the most accurate name for this triangle?

A triangle has sides 20 mm, 20 mm, and 12 mm. What kind of triangle is it?

Lena's triangle has sides 9 cm, 12 cm, and 9 cm. Kai's triangle has sides 9 cm, 12 cm, and 15 cm. Which triangle is scalene?

A flag is shaped like a triangle with sides 30 cm, 30 cm, and 40 cm. Which word describes it?

One triangle has sides 5 cm, 5 cm, and 5 cm. Another triangle has sides 5 cm, 5 cm, and 8 cm. Which one is equilateral?

Sam says every triangle with two equal sides must also have a third side of the same length. Is Sam correct?

A triangle has side lengths 6 cm, 6 cm, and 6 cm. What type of triangle is it?

Priya drew triangle ABC. Devon drew triangle DEF. Which triangle is scalene?

Ravi says every equilateral triangle is also isosceles. Is he right, and why?

True or False: Every isosceles triangle is also equilateral.

Which side lengths describe a scalene triangle?

Which side lengths describe an equilateral triangle?

A triangle has two sides that are 12 units long and one side that is 5 units long. What type of triangle is it?

True or False: A scalene triangle can have two equal sides.

A triangle has side lengths 15 cm, 10 cm, and 15 cm. Which statement is true?

What must be true about the side lengths of an equilateral triangle?

Which type of triangle has no equal sides?

A triangle has sides of 4 cm, 6 cm, and 9 cm. Can it be called isosceles?

True or False: A triangle with side lengths 14 units, 14 units, and 14 units is scalene.

Which list matches the correct classification?

A triangle has exactly two sides of the same length. Which classification should you choose?

True or False: To classify a triangle by its sides, you compare the sizes of its angles.

Which triangle must have three sides of equal length?

Why can a triangle never be both scalene and isosceles?

Which set of side lengths would be classified as scalene?

True or False: If a triangle is equilateral, none of its sides are equal.