Types of Triangles | Equilateral, Isosceles, Scalene, Right, Acute, and Obtuse Triangle | Explained with Formulas and Theorems


In mathematics, a triangle is a polygon with three sides and three angles

In mathematics, a triangle is a polygon with three sides and three angles. It is one of the basic shapes studied in geometry. The sides of a triangle are typically denoted as a, b, and c, and the angles are denoted as A, B, and C.

There are different types of triangles based on their side lengths and angle measures. Here are some important types:

1. Equilateral Triangle:
– All three sides of an equilateral triangle are of equal length.
– All three angles are equal, measuring 60 degrees each.

2. Isosceles Triangle:
– An isosceles triangle has two sides of equal length and two equal angles.
– The angles opposite the equal sides are equal.

3. Scalene Triangle:
– A scalene triangle has no equal sides and no equal angles.
– All three sides and angles have different measures.

4. Right Triangle:
– A right triangle has one angle measuring 90 degrees, known as the right angle.
– The side opposite the right angle is called the hypotenuse.

5. Acute Triangle:
– An acute triangle has all three angles measuring less than 90 degrees.
– All sides are shorter than the hypotenuse of a right triangle.

6. Obtuse Triangle:
– An obtuse triangle has one angle measuring more than 90 degrees.
– The other two angles are acute angles.

To solve problems involving triangles, you can use various formulas and theorems such as the Pythagorean theorem, which relates the lengths of the sides of a right triangle, and the Law of Sines and Law of Cosines, which relate the angles and sides of any triangle.

Overall, triangles are fundamental shapes in mathematics that have numerous applications in various fields, including geometry, trigonometry, and physics.

More Answers:
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