Besides, we will see how to calculate the area of a triangle, area of an equilateral triangle, area of an isosceles triangle and heron’s formula. Also check the solved examples.

It introduces the formula for calculating the area of a triangle and explains the Pythagorean theorem, which applies to right triangles for determining the length of sides.

Best and easiest trick to count triangles. In this article provides simple tricks with formulas to find the number of triangles.

It has drawings and formula for the solution of right angled triangles, as well as tabulated values of openings required for plugs of differing sizes and different angles of opening.

A point lies inside an equilateral triangle. If you know the distance of the point from each of the three vertices, what is the side of the triangle?

Formula triangles can be used to help with rearranging the equation, but it is important that the algebraic method for rearranging is understood.

Learn about and revise angles, lines and multi-sided shapes and their properties with this BBC Bitesize GCSE Maths Edexcel study guide.

Yanssie Rangel is counting down the days to baby number two, hopeful that baby formula will be available after her second child is born.