Find the area of the blades of the magnetic compass as shown in figure

Find the area of the given figure.

Find the area of the given figure.

Find the area of the flower bed (with semi-circular ends) shown in figure.

A charge particle of charge 'q' and mass 'm' enters in a given magnetic field 'B' and perpendicular to the magnetic field as shown in the figure. It enters at an angle of 60^(@) with the boundary surface of magnetic field and comes out at an angle of 30^(@) with the boundary surface of the magnetic field as shown in the figure. Find width 'd' in which magnetic field exist.

Find the area of the figure given below.

Find the area of the shaded region in Figure.

Find the area of the shaded region in figure.

Find the area of the following figures

Find the area of the following figures.

Find the magnetic field at point O shown in the figure