Pyramid

Pyramid ek rakam ke shape hae. Iske side triangular rahe hae aur ii chotii pe ek point pe aawe hae. 

Pahila pyramid ke 2630 BC me Egypt me banaawa gais rahaa. Egypt me raja aur raani log ke pyramid me dafnaawa jaawat rahaa. II jagha ke pyramid patthar ke banaa rahaa aur abhi talak kharraa hae.

References

vibhag:P
vibhag:Architecture aur civil engineering