Learn how to calculate the areas of rectangle, triangle, and circle in Excel for a single cell or range of cells usin this formula.

How to calculate the length of a side 𝒚 Here is an example of how to calculate the length of a side, y, when another side and an angle Ɵ is given in a right-angled triangle.

Usually, when we are asked to form an equation, it is based on some knowledge of area, perimeter or angles. You will have to make sure that you have a good understanding of these topic areas in order ...