If a twelve sides regular polygon is inscribed in a circle of radius 3 centimeters, then the length of each side of the polygon is

. Find the length of the side of a regular hexagon inscribed in a circle of radius r meters

A nine-side regular polygon with side length 2, is inscribed in a circle. The radius of the circle is

A current I flows through a thin wire shaped as regular polygon of n sides which can be inscribed in a circle of radius R. The magnetic fidl induction at the center of polygon due to one side of the polygon is

A current I flows through a thin wire shaped as regular polygon of n sides which can be inscribed in a circle of radius R . The magnetic field induction at the center of polygon due to one side of the polygon is

A current I flows through a thin wire shaped as regular polygon of n sides which can be inscribed in a circle of radius R. The magnetic fidl induction at the center of polygon due to one side of the polygon is

In the following figure a wire bent in the form of a regular polygon of n sides is inscribed in a circle of radius a . Net magnetic field at centre will be

In the following figure a wire bent in the form of a regular polygon of n sides is inscribed in a circle of radius a . Net magnetic field at centre will be

Prove that the area of a regular polygon hawing 2n sides, inscribed in a circle, is the geometric mean of the areas of the inscribed and circumscribed polygons of n sides.