TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line...

TRIANGLES AND

TYPES OF TRIANGLES

What is a TRIANGLE ?

A closed figure formed by joining three line segments is called a TRIANGLE .

•A triangle is a polygon with three vertices and three sides (edges).

•It has three internal angles.

A triangle has three angles

A triangle has three sides

IDENTIFYING TRIANGLES

They are everywhere.

Identifying Triangles

Three types

Equilateral triangle Isosceles triangle Scalene triangle

TYPES OF TRIANGLES by sides

Three types

Acute angled triangle Right angled triangle Obtuse angled triangle

TYPES OF TRIANGLES by angels

Isosceles Triangle At least two sides

are equal.

Equilateral Triangle All sides are

equal.

Scalene Triangle No sides are

equal.

Right Triangle Exactly 1 right

angle ( 90⁰)

Acute triangle All the angles are

acute angles.

Obtuse triangle Exactly 1 angle is

obtuse.

TRIANGLES

Keep lookingThey are EVERYWHERE!