Some examples showing the application of angle formulas are given below: 1. Find the angle of a segment in a circle if the arc length is 7π and the radius is 9 units.

case 1In 2D coordinate system the sum of the angles of all quadrants=360 degree= 2pi radianin (x,y) planeCase 2In 3D coordinate system (x,y,z) I took 3 possible planesi.e.(x,y) (y,z) (x,z)each ...

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 ...

we've been using the 360-degree circle since ancient times, radians offer a more natural way to measure angles in higher mathematics. Radians are particularly important because they simplify many ...

The formula for the area of a circle (A = πr²) can be rearranged to change the subject, in this case to make the subject the radius r =√(A/π) to make the missing side the subject close ...