triangles and types of triangles. what is a triangle ? a closed figure formed by joining three line...

16
TRIANGLES AND TYPES OF TRIANGLES

Upload: pierce-gray

Post on 19-Jan-2016

226 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

TRIANGLES AND

TYPES OF TRIANGLES

Page 2: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

What is a TRIANGLE ?

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

Page 3: 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.

Page 4: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

A triangle has three angles

Page 5: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

A triangle has three sides

Page 6: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

IDENTIFYING TRIANGLES

They are everywhere.

Page 7: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

Identifying Triangles

Page 8: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

Three types

Equilateral triangle Isosceles triangle Scalene triangle

TYPES OF TRIANGLES by sides

Page 9: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

Three types

Acute angled triangle Right angled triangle Obtuse angled triangle

TYPES OF TRIANGLES by angels

Page 10: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

Isosceles Triangle At least two sides

are equal.

Page 11: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

Equilateral Triangle All sides are

equal.

Page 12: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

Scalene Triangle No sides are

equal.

Page 13: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

Right Triangle Exactly 1 right

angle ( 90⁰)

Page 14: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

Acute triangle All the angles are

acute angles.

Page 15: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

Obtuse triangle Exactly 1 angle is

obtuse.

Page 16: TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE

TRIANGLES

Keep lookingThey are EVERYWHERE!