1.

2 cubes each of volume 64cm cubes are joined end to end.find the surface area of resulting cuboid

Answer» Vol=64cm^3=> a^3=4^3=>a=4l=8b=4h=4TSA=2(lb+bh+hl)=> 2(32+16+32)=> 2(64+16)=> 2×80=> 160cm^2
160 cm sq


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