Isosceles Right triangle: An Isosceles Right triangle is an isosceles triangle with a right angle. An Isosceles Acute triangle is an isosceles triangle with all of its angles acute. ![]() Isosceles acute triangle: If the two angles opposing the legs are equal and smaller than 90 degrees, the isosceles triangle might be acute. The isosceles triangle is generally divided into three different types based on the angle formed by the two legs, which are as follows: The contrary of this isosceles triangle theorem is also valid, which asserts that if two angles of an isosceles triangle are congruent, then the sides opposite to them are likewise congruent. The perpendicular traced from the apex angle divides the isosceles triangle into two congruent triangles and is also known as the line of symmetry of the isosceles triangle.Īccording to the isosceles triangle theorem, if two sides of an isosceles triangle are congruent, then the angles opposing the two sides are also congruent.The perpendicular drawn from the apex angle cuts the isosceles triangle’s base and the apex angle in half.The apex angle or vertex angle of an isosceles triangle is the angle formed by the legs.The two equal sides legs of an isosceles triangle are known as legs., and the angle between them is known as the vertex angle or apex angle. ![]() An isosceles triangle has two equal sides as well as two equal angles.The properties of isosceles triangle are as follows: Thus isosceles triangle also has some unique properties that make it unique. Isosceles Triangle PropertiesĮvery geometric shape differs and is unique from the others in some ways. Find out other angles.Īs a result, the other two angles of an isosceles triangle have a measure of 55°. If we know the unknown angle A, we can easily find the other angle of the Isosceles triangle.Įxample: Consider the isosceles triangle ABC, where B = C and A = 70°. If we are given the measure of an uneven angle, we can simply use the angle sum property to determine the other two angles.Īssume we have an isosceles triangle ABC, with AB = AC and B = C. The Isosceles triangle has the same angle sum property as the triangle. As a result, one of the angles is uneven. Although an equilateral triangle is also an isosceles triangle, the opposite is not necessarily true.Īlso check: Types of Triangles in Maths based on Sides Isosceles Triangle AnglesĪn isosceles triangle has three angles like a triangle, but it is a peculiar instance since two of the three angles of the isosceles triangle are equal in measure, which is opposite to the equal sides. The two equal-length sides of an isosceles triangle are termed the legs, while the third side of the triangle is called the base. As a result, ∠A and ∠B are equal.Īn isosceles triangle has two equal sides and two equal angles. The angles opposite the equal sides are known to be equal. In the diagram below, ABC is an isosceles triangle with equal sides AC and BC. In other words, An isosceles triangle is a triangle with two congruent sides. Furthermore, the angles opposing an isosceles triangle’s equal sides are equal. What is Isosceles Triangle?Īn isosceles triangle is a triangle having two equal sides. As a result, if a triangle has two equal sides and two equal angles, it is an isosceles triangle. If any two of them are equal, we call this an Isosceles triangle. Triangles are three-sided polygons that are classed as equilateral, isosceles, or scalene depending on the length of their sides. Isosceles Triangle DefinitionĪ triangle is a closed two-dimensional figure with three sides, three vertices, and three angles. In this article, we will look at the definition of an isosceles triangle, its properties, and several isosceles triangle formulas. An isosceles triangle has two angles that are equal in size and opposite from equal sides. Isosceles Triangle: In the study of geometry, An isosceles triangle is a triangle with two sides that are the same length. NCERT Solutions Class 10 Social Science.NCERT Solutions For Statistics Class 11.NCERT Solutions Class 11 Chemistry Updated 2023-24. ![]()
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