![]() In an equilateral triangle, the measure of each curve is 60 degrees.Īn isosceles triangle is one which has two sides of equal length and one side of unequal length.Īn isosceles triangle has two angles of the same measure and one angle of unequal measure. Equilateral trianglesĪ triangle whose all sides and angles are equal is called an equilateral triangle.Īn equilateral triangle is also known as a regular polygon. There are three types of triangles based on their sides. On the other hand, triangles can be defined into four different types: the right-angles triangle, the acute-angled triangle, the obtuse angle triangle, and the oblique triangle. The triangle is divided into 3 types based on its sides, including equilateral triangles, isosceles, and scalene triangles. The area of the triangle is the inner region enclosed by three sides of a triangle.Ī triangle is divided into different types based on its sides and angles.The perimeter of the triangle is the sum of its three sides.The shortest side of a triangle is always opposite to the sharpest internal rise.The longest side of any triangle will always be opposite to the largest interior angle.The difference between any two sides of a triangle would be less than the third side.The sum of any two sides of the triangle would be greater than the third side.Sum of the interior angle of a triangle is always equal to 180 degrees.The sum of the exterior angle of a triangle is always equal to 360 degrees.Every triangle consists of three angles and three sides.A triangle also has these properties, which are as follows: Properties of a triangleĮvery polygon in mathematics has some unique and distinguished properties, making it stand out from the rest. The consecutive sum of e and b, a and f, or c and d will be supplementary. e, f, and d represents the exterior angle.b, a, and c represents the interior angle.The sum of consecutive exterior and interior angles of a triangle is supplementary, which means it is equal to 180 degrees. If we extend any side of a triangle outwards, then it forms an exterior angle with the line. The sum of all interior angles of the triangle is equal to 180 degrees. In simple words, if an angle lies in the interior of a triangle, then it is called an interior angle. Hence, a triangle has three angles, and each angle of a triangle meets at a common point (vertex). Each vertex in a triangle forms an angle.Īs we know that there are three vertices in a triangle, and each vertex forms an angle in a triangle. That is why a triangle consists of three vertices. The common point where two straight lines of a triangle meet are called a vertex. ![]() It has three sides, and all the sides are made of straight lines. Angles in a triangleĪ triangle is of two-dimensional shape with its three-sided polygon. DenotationĬonsider a triangle with its vertices A, B, and C, as shown in the above figure. Triangles are any closed figure in geometry. A triangle is simply defined as a three-sided polygon that consists of three sides (also known as edges) and vertices.
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