To assist you with that we are here with notes. Herons formula is an important mark in this subject. Area s s a s b s c This formula is helpful to find the area of a scalene triangle given the lengths of all its sides.
Revision Notes on Herons Formula Perimeter.
To find the perimeter we need to add all the sides of the given shape. This can be calculated using the following two steps. Herons formula is an important mark in this subject. Click on an exercise link or a topic link below to start doing the chapter.