`a NE b ne c, alpha=gamma=90^(@), beta=90^(@)` `a ne b ne c, alpha=beta=gamma=90^(@)` `a ne b ne c, alpha=beta=90^(@),gamma=120^(@)` `a ne b ne c, alpha=beta=,gamma=120^(@)`
SOLUTION :(a) DIMENSIOS of a MONOCLINIC crystals lattice are ` a ne b ne c` and alpha=gamma=90^(@),beta=90^(@)`.