Classify Triangle Review

Front

What is a triangle?

Back

A triangle is a three-sided polygon.

Front

What are the types of triangles based on sides?

Back

1. Equilateral: All sides are equal. 2. Isosceles: Two sides are equal. 3. Scalene: All sides are different.

Front

What are the types of triangles based on angles?

Back

1. Acute: All angles are less than 90 degrees. 2. Right: One angle is exactly 90 degrees. 3. Obtuse: One angle is greater than 90 degrees.

Front

What is an Equilateral triangle?

Back

A triangle with all three sides and all three angles equal (each angle is 60 degrees).

Front

What is an Isosceles triangle?

Back

A triangle with at least two sides equal and the angles opposite those sides are equal.

Front

What is a Scalene triangle?

Back

A triangle with all sides of different lengths and all angles of different measures.

Front

What is a Right triangle?

Back

A triangle that has one angle measuring exactly 90 degrees.

Front

What is an Acute triangle?

Back

A triangle where all three angles are less than 90 degrees.

Front

What is an Obtuse triangle?

Back

A triangle that has one angle measuring more than 90 degrees.

Front

What is a Right Isosceles triangle?

Back

A triangle that has one right angle and two equal sides.