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There are three ways to classify a triangle by its sides:
A scalene triangle is a triangle where no two sides are of the same length. That is, all three sides are different lengths
An isosceles triangle is a triangle where at least two sides have equal length. (Note: In some textbooks, they define an isosceles as having exactly two sides with equal length).
An equilateral triangle has all three sides with equal lengths. By the first definition for isosceles, this means that an equilateral triangle would also be isosceles. It all depends on the book being used.
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What are the different kind of triangles?
there is the Equilateral Triangle which all sides are equal.there is the Isosceles Triangle where only two sides are equal.there is the Scalene Triangle where no sides are equal.can help you:http://www.easycalculation.com/trigonometry/triangles-sides.php
What is a triangle called with 2 congurent sides?
isosceles triangles have 2 congruent sides scalene triangles have no congruent sides equilateral triangles have 3 congruent sides
How many triangles are in a pentagon and how many sides?
A pentagon has 3 triangles and 5 sides
How many triangles are there in a heptagon?
seven There are five triangles in a heptagon. In ay convex polygon the triangles are two less than the sides. So a heptagon which has 7 sides, contains 5 triangles. There are five triangles in a heptagon. In ay convex polygon the triangles are two less than the sides. So a heptagon which has 7 sides, contains 5 triangles.
How many sides do six triangles have?
A triangle has three sides, so six triangles have 6 * 3 = 18 sides altogether.
