Keywords: Mathematical Pyramid.svg Regular square pyramid showing the median triangle with apothem a semi-base b height h and inclination angle own 2006-09-21 Dicklyon wikipedia en Dicklyon Original upload log en wikipedia C messier CommonsHelper en wikipedia Mathematical+Pyramid svg 2006-09-21 21 56 Dicklyon 480×314× 8530 bytes <nowiki>Updated pyramid a little taller tighter framing showing right angle </nowiki> 2006-09-21 02 46 Dicklyon 501×325× 8015 bytes <nowiki>Regular square pyramid showing the median triangle with apothem a semi-base b height h and inclination angle </nowiki> Pyramids geometry Golden ratio in pyramids |