![]() The sides of a right scalene triangle are different in measure. The sum of the three angles is equal to 180 degrees. The sides of obtuse scalene triangles are different in measure.Īn obtuse scalene triangle has two other angles that are both less than 90 degrees and a third angle that is more than 90 degrees but less than 180 degrees. The sides of an acute scalene triangle are different in measure.Īn acute scalene triangle has acute angles of various measurement, adding up to 180 degrees in total. The comparison of the three varieties of scalene triangles according to their sides and angles is shown in the table below: Types of Scalene Triangles The angles A, B, and C also have different measurements. The hatch “|” symbol on each side denotes that each side has different measurements. The total of all interior angles of a scalene triangle is always equal to 180 degrees.Īn illustration of a scalene triangle is shown in the picture below. Scalene Triangle DefinitionĪ triangle with three different side lengths and three different angle measurements is called a scalene triangle. We shall discuss the description of the scalene triangle, its properties, and a few examples with solutions about its area and perimeter in this article. Triangles may be equilateral, isosceles, or scalene based on the lengths of sides. It can be classified based on its angle measurements or lengths of sides. What are examples of side lengths that form a scalene triangle?Ī triangle is a two-dimensional (2D) shape with three sides, three angles and three vertices.What are the different classifications of triangles?.What are the types of scalene triangles?.How do equilateral, isosceles, and scalene triangles differ from one another?.Frequently Asked Questions on Scalene Triangles.How to Identify Scalene Triangles Using Distance Formula?.How do you determine the perimeter of a scalene triangle?.If you have any question, feel free to post it in the comment box below. ![]() We hope this article on Types of Triangle helps you. Related Concepts: Area of Triangle ConceptsĪrea of Triangle Vectors Cross Product Concepts What are the 3 types of triangles based on the lengths of their sides?Īns: A plane figure formed by three non-parallel line segments is called a triangle. What are the 4 different types of triangles based on the measure of their angles?Īns: Naming triangles by considering the measures of their angles: Acute angled triangle, right-angled triangle, right isosceles triangle, and obtuse-angled triangle. Naming triangles by considering the measures of their angles: Acute angled triangle, right-angled triangle, right isosceles triangle, and obtuse-angled triangle. What are the six types of a triangle?Īns: Naming triangles by considering the lengths of their sides: Equilateral triangle, Scalene triangle, and Isosceles triangle. Sides: The three-line segments \(PQ, QR\) and \(RP\), that form the triangle \(\Delta PQR\) are called the sides of the triangle \(\Delta PQR\).Īngles: The three angles \(\angle QPR,\,\angle PQR\) and \(\angle PRQ\) are called the angles of \(\Delta PQR\).įor the sake of convenience, we shall denote angles \(\angle QPR,\) is called an obtuse-angled triangle or simply an obtuse triangle. Note that the triangle \(\Delta PQR\) consists of all the points on the line segments \(PQ, QR\) and \(RP\). The triangle with vertices \(P, Q\) and \(R\) is generally denoted by the symbol \(\Delta PQR\).
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