The sum of the interior angles is: All the interior angles in a regular polygon are equal. The formula for calculating the size of an interior angle is: \(\text{interior angle of a polygon} ...

In order to derive the formula to calculate the angle at the centre of the sector, the formulae for the arc length and area of a sector can be rearranged so that we can calculate the fraction of ...

The syntax for the TAN function is: Number: The angle for radians for which you want the tangent. What is Math and Trig functions ... Place the formula into the cell you want to see the result.