From a tin sheet, a sector of radius 20 centimetres and central angle
240o is divided into four equal parts as shown in the figure. Then the shaded portion is cut off. Using this, a vessel in the shape of a square pyramid is made.
What is the capacity of this vessel?![627939_1a3a8afdef02481f9f31fc37f210df08.png](https://search-static.byjusweb.com/question-images/toppr_ext/questions/627939_1a3a8afdef02481f9f31fc37f210df08.png)