Why is the king's chamber be located in the in the center of the great
pyramid

It is by no means clear that the King's chamber was actually intended for a burial. If it was, it was the first and only time that a burial chamber was placed above the entrance. Diodorus Siculus referred to ancient legends which claimed that Khufu was not buried in his pyramid.

Explanation:

Source:  

Great Pyramid: Kings Chamber | Ancient Egypt Onlineancientegyptonline.co.uk

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if im not mistaken its a. collective emotional arousal