Q1 of 64 Page 77

Find the Lateral Surface Area (LSA), Total Surface Area (TSA) and volume of the cubes having their sides as

2.5 m

Given:

side of cube (a) = 2.5m


(a) LSA of cube = 4a2


= 4(2.5)2


⇒ LSA of cube = 25m2


(b) TSA of cube = 6a2


= 6(2.5)2


⇒ TSA of cube = 37.5m2


(c) Volume of cube = a3


= (2.5)3


⇒ Volume of cube = 15.625m3


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