Triangle

Definition

A closed plane geometric figure, which formed by the three line segments is called triangle.

a triangle

The word, triangle is formed by a prefix “tri” and a word “angle“. The meaning of tri is three. According to these two meanings, triangle is three angles.

Geometrically, three line segments can only form three angles when their endpoints are connected each other as a closed geometric figure. Hence, the closed plane figure, formed by the three line segments which can only form three angles is known as triangle geometrically.

Parts

Learn concept of angle with its representation to use them in triangle.

Learn concept of angle with its representation to use them in triangle.

Learn concept of angle with its representation to use them in triangle.

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