Learn how to calculate the area of a triangle using different formulas for various types of triangles. Find examples, practice problems, and download worksheets on area of triangle . The area of an equilateral triangle is the amount of space that it occupies in a 2-dimensional plane. To recall, an equilateral triangle is a triangle in which all the sides are equal and the measure of all the internal angles is 60°. So, an equilateral triangle ’s area can be calculated if the length of its side is known. Area of Plane Shapes Area is the size of a surface! Learn more about Area , or try the Area Calculator. Triangles – the three-sided polygons – are among the simplest and most important shapes in geometry. And in this tutorial, we’ll learn how to find the area of a triangle and solve several example problems using the different formulas. Area of a Triangle The area of a triangle is a measure of the region (in the plane) enclosed within the triangle . For example, the area of the triangle above is the quantity that gives an accurate measure of the yellow region.
