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Area of a triangle is the region covered by its three sides in a plane. Area of a triangle is equal to half of product of its base and height. Find the area using heron's formulas and SAS condition, with examples at BYJU'S.
Area of a Triangle tutorial. Pictures, examples and many practice problems on how to find the area of a triangle from its base and its height.
Learn the two important triangle formulas, the area of a triangle, and the perimeter of a triangle. These two formulas are applicable to all types of triangles. Understand the triangle formulas with derivation, examples, and FAQs.
The area of the rectangle is b h = 4 × 5 = 20 square units, so the area of the triangle is 1 2 b h = 1 2 × 4 × 5 = 10 square units. Key intuition: A triangle is half as big as the rectangle that surrounds it, which is why the area of a triangle is one-half base times height.
The basic formula for the area of a triangle is equal to half the product of its base and height, i.e., A = 1/2 × b × h. This formula is applicable to all types of triangles, whether it is a scalene triangle, an isosceles triangle, or an equilateral triangle.
Area of a Triangle Formula. The area of a triangle [latex]A[/latex] is half the product of its base [latex]b[/latex] and its height [latex]h[/latex]. The height of a triangle is also known as the altitude. This formula works only if the base is perpendicular to the height.
There are many different formulas that one can use to calculate the area of a triangle. This is the most common formula used and is likely the first one that you have seen. Observe that this is exactly half the area of a rectangle which has the same base and height.