Classify Triangles by Sides

Front

What is an isosceles triangle?

Back

A triangle with at least two equal sides.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is an equilateral triangle?

Back

A triangle with all three sides equal.

Front

How can you classify a triangle with sides measuring 6 inches, 6 inches, and 4 inches?

Back

Isosceles triangle.

Front

True or False: A triangle can be classified as an isosceles triangle if there are two equal sides.

Back

True.

Front

If a triangle has sides measuring 5 inches, 7 inches, and 9 inches, how would you classify it?

Back

Scalene triangle.

Front

What is the sum of the interior angles of any triangle?

Back

180 degrees.

Front

What type of triangle has all angles less than 90 degrees?

Back

Acute triangle.

Front

What type of triangle has one angle greater than 90 degrees?

Back

Obtuse triangle.

Front

If a triangle has sides measuring 3 inches, 3 inches, and 3 inches, how would you classify it?

Back

Equilateral triangle.