Problem on Volumetric Strain of rectangular bar (BRB)

[@rishabhasingh5155]

SIR WOULD IT BE WRONG.....IF I TAKE Y AND Z DIRECTION EXACYLY OPPOSITE TO U......WHICH WE GENERALLY TAKE..PLEASE REPLY.............AND IF NOT....THEN WHY

[@sayansamanta6240]

Sir please reply
How to calculate percantage change in volume

[@rs-08hajareganeshsunil74]

Jay Maharashtra

[@cricketlover-sm3wk]

Thankyou very much sir 🙏🌹

[@praveenparmar5896]

Thanks sir🙏🙏🙏🙏

[@radhesyambeats..7939]

tq