define triangle and its properties
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A triangle definition states it is a polygon that consists of three sides, three edges, three vertices and the sum of internal angles of a triangle equal to 180°.
Properties of Triangle
Sum of Angles of a Triangle is always 180 degrees.
The exterior angles of a triangle always add up to 360 degrees.
The sum of the lengths of any two sides of a triangle is greater than the length of the third side. ...
The shortest side is always opposite to the smallest interior angle.
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A triangle is a polygon which has three sides and three vertices.
Step-by-step explanation:
area. =1/2×base ×height
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