Classifying Triangles Review

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

A right triangle is a triangle that has one angle measuring 90 degrees.

An equilateral triangle is a triangle where all three sides are equal in length and all angles are equal, each measuring 60 degrees.

The total number of degrees in a triangle is always 180 degrees.

An isosceles triangle is a triangle that has at least two sides of equal length and two angles of equal measure.

An acute triangle is a triangle where all three angles are less than 90 degrees.

An obtuse triangle is a triangle that has one angle measuring more than 90 degrees.

A triangle with one angle of 90 degrees is classified as a right triangle.

A triangle with all angles less than 90 degrees is classified as an acute triangle.

A triangle with one angle greater than 90 degrees is classified as an obtuse triangle.