Triangles are three-sided polygons, and they have various properties and formulas related to their sides, angles, and area.
Here are some important triangle formulas:
- Perimeter of a Triangle: The perimeter of a triangle is the sum of the lengths of its three sides. Perimeter = Side1 + Side2 + Side3
- Area of a Triangle: The area of a triangle can be calculated using different formulas based on the available information:
- a. If you know the base (b) and the height (h) of the triangle: Area = (1/2) * base * height
- b. If you know the lengths of all three sides (a, b, c) using Heron’s formula: Semi-perimeter (s) = (a + b + c) / 2 Area = √(s * (s – a) * (s – b) * (s – c))
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