Qzz: Classify Triangles

Front

What is an Equilateral Triangle?

Back

A triangle with all three sides of equal length and all three angles measuring 60°.

Front

What does the Triangle Sum Theorem state?

Back

The sum of all angles in a triangle is 180°.

Front

What is a Right Isosceles Triangle?

Back

A triangle with two equal sides and one right angle (90°).

Front

How do you classify a triangle by its sides?

Back

Triangles can be classified as Isosceles (two equal sides), Scalene (no equal sides), or Equilateral (all sides 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 an Isosceles Triangle?

Back

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

Front

What is a Right Triangle?

Back

A triangle that has one angle measuring 90°.

Front

What is an Obtuse Triangle?

Back

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

Front

What is an Acute Triangle?

Back

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

Front

How do you find the length of a side in a triangle?

Back

Use the Pythagorean theorem for right triangles or apply the Law of Sines or Law of Cosines for other types.