Triangle//Chapter 07// Introduction (class 9th)

#Polygon #traingles #types
Concepts:
1. Polygon: A polygon is any 2-dimensional shape formed with straight lines. Triangles, quadrilaterals, pentagons, and hexagons are all examples of polygons. The name tells you how many sides the shape has. For example, a triangle has three sides, and a quadrilateral has four sides.
2. Triangle: A triangle is a polygon with three corners and three sides, one of the basic shapes in geometry.....
3 Types: Based on their sides, the 3 triangles are classified as equilateral triangles, isosceles triangles, and scalene triangles. Based on their angles, the 3 types of triangles are listed as, acute triangle, obtuse triangle, and right-angled triangle.

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