![]() If the legs of the right triangle have lengths a and b, and the hypotenuse has length c, then the perimeter P is given by: To find the perimeter of a right triangle, you simply add up the lengths of all three sides. The side opposite the right angle is called the hypotenuse, while the other two sides are called legs. Perimeter of a Right Triangle:Ī right triangle is a triangle in which one of the angles is a right angle, which measures 90 degrees. Therefore, the perimeter of this scalene triangle is 15 cm. Let’s take an example of a scalene triangle with sides of length 4 cm, 5 cm, and 6 cm. To find the perimeter of a scalene triangle, we simply add the lengths of all three sides. Perimeter of Scalene Triangle:Ī scalene triangle is a triangle with no sides of equal length. Therefore, the perimeter of this isosceles triangle is 17 cm. Let’s take an example of an isosceles triangle with two equal sides of 5 cm and a base of 7 cm. Example of Perimeter of Isosceles Triangle: Where an equal side is the length of the two equal sides, and the base is the length of the third side. To find the perimeter of an isosceles triangle, we can use the formula: The third side, called the base, is usually a different length. Perimeter of Isosceles Triangle:Īn isosceles triangle is a triangle with two sides of equal length. Therefore, the perimeter of this equilateral triangle is 12 cm. Let’s take an example of an equilateral triangle with a side length of 4 cm. Example of Perimeter of Equilateral Triangle: Where side is the length of one side of the triangle. To find the perimeter of an equilateral triangle, we can use the formula: In an equilateral triangle, each angle measures 60 degrees. For example, if you know the length of two sides of a triangle and the angle between them, you can use trigonometry to calculate the length of the third side.Īn equilateral triangle is a triangle with all three sides of equal length.
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