Triangle

A triangle is a closed figure with three sides.


Classification of Triangles:

1.Acute trianlges - are triangles in which the measures of all three angles are less than 90 degrees.

2. Obtuse triangles are triangles in which the measure of one angle is greater than 90 degrees.

3. Right triangles are triangles in which the measure of one angle equals 90 degrees.

4. Equilateral triangles are triangles in which all three sides are the same length.

5. Isosceles triangles are triangles in which two of the sides are the same length.

6. Scalene triangles are triangles in which none of the sides are the same length.