Parts of a Triangle


 
 
Concept Explanation
 

Parts of a Triangle

Parts of a Triangle:

The six elements of a triangle are its three angles and the three sides. The line segment joining a vertex of a triangle to the mid point of its opposite side is called a median of the triangle. A triangle has 3 medians.

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Altitude or Height - The Altitude/height of a triangle is the length of a perpendicular from the apex the the base line.Apex - Once you have selected a base line for the triangle, the vertex opposite that base line is called the apex.Base - For any given triangle, one of the sides can be distinguished as being the base. It is not particularly important which one is chosen. The usual practice is that when you draw a triangle, the side that is horizontal or closest to horizontal is considered to be the base.Base Anlges - The base angles are the two angles created at the base line. Again these completely depend on which line you call the base line. Vertex - A vertex typically means a corner or point where two lines meet. In a Triangle there is always three Vertices. (Vertices is the plural for vertex).

 

Sample Questions
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Question : 1

A triangle has __________ line segments.

Right Option : C
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Question : 2

An equilateral triangle always has  ____________________-

Right Option : D
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Question : 3

A triangle has _________ vertices.

Right Option : B
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