# Triangle area 21 formula

The triangle area calculator online will describe in detail how to find the area of any triangle.

Various formulas for calculating the area of triangles will tell you how to do it yourself or just enter the data of your triangle and get a detailed solution with the answer.

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Solution:

A triangle is a geometric figure consisting of three points (the vertices of a triangle) that do not lie on the same straight line, connected by three segments (the sides of the triangle).

A right triangle is a triangle in which one angle is straight (is 90 degrees).

An isosceles triangle is a triangle in which the two sides are equal in length. Equal sides are called lateral, and the other side is called the base.

The area of a triangle is a numerical characteristic that characterizes the size of a plane bounded by a geometric figure formed by three segments (sides) that connect three points (vertices) that do not lie on the same straight line.