write six types of triangles using suitable figures
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A Triangle is a three-sided polygon that consists of three edges and three vertices and the sum of internal angles of a triangle equal to 180 degree.
Types of Triangles-
(i) On the basis of its Length
1. Scalene Triangle- This type of triangle has all its three edges of different length. Due to this, the three angles are also different from each other.
2.Isosceles Triangle– This type of triangle has two equal sides. Also, the two angles, opposite to the two equal sides, are also equal to each other.
3.Equilateral Triangle– This type of triangle has all the three sides equal to each other. Due to this all the internal angles are of equal degrees ie. each of the angles is 60∘
(ii) On the basis of angle –
1.Acute angled Triangle– This triangle has all of its angles less than 90°.
2.Right angle Triangle– This triangle has any of its one angle to be equal to 90°.
3.Obtuse-angled Triangle– This triangle has any of its one angles more than 90°.
Types of Triangles-
(i) On the basis of its Length
1. Scalene Triangle- This type of triangle has all its three edges of different length. Due to this, the three angles are also different from each other.
2.Isosceles Triangle– This type of triangle has two equal sides. Also, the two angles, opposite to the two equal sides, are also equal to each other.
3.Equilateral Triangle– This type of triangle has all the three sides equal to each other. Due to this all the internal angles are of equal degrees ie. each of the angles is 60∘
(ii) On the basis of angle –
1.Acute angled Triangle– This triangle has all of its angles less than 90°.
2.Right angle Triangle– This triangle has any of its one angle to be equal to 90°.
3.Obtuse-angled Triangle– This triangle has any of its one angles more than 90°.
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