Let the \(ABCDEF\) be a regular hexagon. \(6\) different circles are drawn with each of the vertices as centres and with the same radius \(r\). (See figure)
Identify the area of the shaded portion.
Ans:
The total angle of a hexagon is \(^\circ\).
\(\angle A=\) \(^\circ\).
The area of the shaded region is .
Answer variants:
\(120\)
\(2\)\(\pi r^2\)
\(60\)
\(720\)
\(6\)\(\pi r^2\)