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. 2 cubes each of volume 64 cm are joined eld t0 tlu. Tmting cuboid

Answer»

Given,Volume of cube = 64(side)^3 = 64side = 4 cm

When two cubes of side 4 cm joined end to end then dimensions cuboid formed areLength l = 8 cm, Breadth b = 4 cm, Height h = 4 cm

Surface area of cuboid= 2(l*b + b*h + l*h)= 2(8*4 + 4*4 + 8*4)= 2(32 + 16 + 32)= 2(80) = 160 cm^3



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