Hence, the base angles add up to 90º which implies that they are 45º each. We know that the sum of the angles of a triangle is 180º. Since AB = AC, the base angles are equal. Also AB = AC since two sides are equal, the triangle is also an isosceles triangle. In triangle ABC, angle A = 90º so by right triangle definition, triangle ABC is a right triangle. Isosceles Right TriangleĪn isosceles right triangle is called a 90º-45º- 45º triangle. The triangle having both the other two angles equal is referred to as an isosceles right triangle, and the triangle with the other two angles having different values is called a scalene right triangle. There are a few special right triangles namely the isosceles right triangles and the scalene right triangles. This implies that the other two angles in the triangle will be acute angles. We have learned that one of the angles in a right triangle is 90º. Some of the examples of right triangles in our daily life are the triangular slice of bread, a square piece of paper folder across the diagonal, or the 30-60-90 triangular scale in a geometry box. The side BC opposite to the right angle is called the hypotenuse and it is the longest side of the right triangle.AC is the height, altitude, or perpendicular.The features of triangle ABC are as follows: Here we can have understood the distinct features of a right triangle. The hypotenuse is the important side of a right triangle which is the largest side and is opposite to the right angle within the triangle. Here AB is the base, AC is the altitude, and BC is the hypotenuse. In the given image, triangle ABC is a right triangle, where we have the base, the altitude, and the hypotenuse. The definition for a right triangle states that if one of the angles of a triangle is a right angle - 90º, the triangle is called a right-angled triangle or simply, a right triangle.
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