Google Classroom谷歌课堂
GeoGebraGeoGebra 教室
GeoGebra

Háromoldalú gúla

作者:Száldobágyi Zsigmond
A pyramid stands on horizontal ground. Its base is an equilateral triangle with sides of length a, the other three edges of the pyramid are of length b and its volume is V. Show that the volume of the pyramid is: 

新资源

发现资源

发现主题