## Mathematical Way Blog

Find the formulas you need for your studies. Mathematics, Statistics, Physics.

Mathematics at your fingertips. Discover a simple and complete way to learn.

## Mathematical Way Finder: "As for everything else, so for mathematical theory: beauty can be perceived but not explained." - ARTHUR CAYLEY

## Area of a Triangle Using the Base and Height

Select your language EnglishSpanish The area of any triangle can be calculated by knowing one side and the height (or altitude), associated with that side. This side serves as the base. In fact the...

## Incenter of a triangle

Select your language EnglishSpanish The incenter of a triangle (I) is the point where the three interior angle bisectors (Ba, Bb y Bc) intersect. The angle bisector of a triangle is a line segment...

## Right Triangle

Select your language EnglishSpanish A right triangle is a polygon with three sides that has one angle (α) that measures 90° which is the largest angle of the right triangle. If we add all...

## Area of an Isosceles Triangle

Select your language EnglishSpanish The area of an isosceles triangle is calculated from the base b (the non-repeated side) and the height (h) of triangle corresponding to the base. The area is the product...

## Centroid of a Triangle

Select your language EnglishSpanish The centroid of a triangle (or barycenter of a triangle) G is the point where the three medians of the triangle meet. The medians of a triangle are the line...

## Arctangent

Select your language EnglishSpanish The arctangent (notation: arctan or tan-1) is the inverse function of the tangent. That is: As the arctangent and tangent are inverse functions, their composition is the identity. Thus: Properties...

## Cosine

Select your language EnglishSpanish In a right triangle, the cosine of an angle θ is defined as the ratio of the adjacent leg (b) to the hypotenuse (c). It is one of the trigonometric...

## Area of an Equilateral Triangle

Select your language EnglishSpanish An equilateral triangle has three equal sides and angles. As in any type of triangle, its area is equal to half of the product of its base and height. So...

## Perimeter of an Equilateral Triangle

Select your language EnglishSpanish The equilateral triangle has all three sides equal, so its perimeter will be three times the length of one of its sides (a). Download this calculator to get the results...

## Triangle

Select your language EnglishSpanish A triangle is a polygon with three sides (a, b, and c). All three sides meet two by two at three points, called vertices (A, B, and C). In a...