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A triangle has three sides and three angles. The three angles always add to 180°. Equilateral, Isosceles and Scalene. There are three special names given to triangles that tell how many sides (or angles) are equal. There can be 3, 2 or no equal sides/angles: How to remember? Alphabetically they go 3, 2, none:
A triangle is classified by the comparative length of its. edges. (sides) and by the size of its angles. These properties can be annotated on a diagram: Hash marks. are used to represent segments...
Learn about and revise angles, lines and multi-sided shapes and their properties with this BBC Bitesize GCSE Maths Edexcel study guide.
Discover the different types of triangles and find out the difference between an equilateral, scalene, isosceles and right-angled triangle in this KS2 guide.
Triangles are 2D shapes with three straight sides and three vertices. These are the only two key properties of triangles. To solve problems involving triangles, we need to be able to gather information about its side lengths and/or its interior angles and apply these to the problem. The sum of interior angles of a triangle is 180°. For example,
A triangle is a polygon which has three sides and three angles. Visit BYJU'S to learn about the different types of triangles, properties, area and perimeter formulas with more solved examples.
A triangle is one of the most important shapes in mathematics – Learning about triangles builds the foundation for more challenging subjects like geometry and trigonometry. There are different types of triangles – You can label a triangle by the size of its angles, the size of its sides, or both!
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