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Learn about triangles, a type of polygon with three sides and angles, in geometry. Find out the different types of triangles based on sides and angles, their properties, perimeter and area formulas, and solved examples.
- 6 min
A triangle is a polygon with three corners and three sides, one of the basic shapes in geometry. The corners, also called vertices, are zero- dimensional points while the sides connecting them, also called edges, are one-dimensional line segments.
Learn about the triangle shape, its parts, properties, formulas, and types. Find examples, worksheets, and practice questions on triangles.
A triangle is a closed, 2-dimensional shape with 3 sides, 3 angles, and 3 vertices. A triangle is also a polygon. The above figure is a triangle denoted as ABC. Recommended Games. Answer Questions Related to Triangles Game. Classify Triangles and Rectangles as Closed Shape Game. Classify Triangles Game.
A triangle is a polygon with three sides having three vertices. The angle formed inside the triangle is equal to 180 degrees. It means that the sum of the interior angles of a triangle is equal to 180°. It is a polygon having the least number of sides.
- 6 min
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Learn about the different types of triangles, how to identify their angles and sides, and how to calculate their perimeter and area. Explore interactive examples and play with the dragging points to make your own triangles.
What is a Triangle? Definition: A triangle is essentially a polygon with 3 sides. From the figure we can see that a triangle has 3 vertices and 3 edges. In our daily life we come across various triangular objects such as a clothes hanger, a pizza slice, sandwich and so on. We use the ‘\ ( \triangle\)’ symbol to represent a triangle.
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