# Equilateral, Isosceles, Scalene, Right, Acute, Obtuse Types of Triangles.

## Presentation on theme: "Equilateral, Isosceles, Scalene, Right, Acute, Obtuse Types of Triangles."— Presentation transcript:

Equilateral, Isosceles, Scalene, Right, Acute, Obtuse Types of Triangles

Classified by side lengths Triangles are classified by their congruent sides A triangle will be equilateral, isosceles, or scalene

Equilateral Triangles All three sides have same length All angles measure 60 degrees, always

Isosceles Triangles Two sides are equal in length Only two angles have same measure Isosceles, two E's, two congruent sides

Scalene Triangles No sides are equal No angles are equal in measure Weird name, weird looking

Classified by angle measures Triangles are classified by the measures of their angles A triangle will be right, acute, or obtuse

Right Triangles One angle must measure 90 degrees 90 degree angle is called a right angle

Acute Triangles All angles measure less than 90 degrees Its angles are so small, isn't is a cute one?

Obtuse Triangles One angle measures greater than 90 degrees Cannot have more than one angle greater than 90 degrees

Remember This... A triangle has 3 sides 3 angles are made where the sides connect The angles total to 180 degrees; no more, no less The area can be found by taking 1/2 of the base times the height

The End