
A triangle is the simplest polygon, having three sides and three angles. The sum of the three angles of a triangle is equal to 180 degrees.
Types Of Triangles
Triangles are classified by sides and by angles...
Classified by: Number of equal sides: Isosceles: Two equal sides, side a=side b Scalene: No equal sides Equilateral triangle: Three equal sides, side a=b=c
Types of Angles
Acute: Three acute angles Obtuse: One obtuse angle Right angled triangle: 1 right angle 