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