two cubes of volumes 1331cm³ each are joined end to end find TOTAL su

1.	two cubes of volumes 1331cm³ each are joined end to end find TOTAL surface area of the resulting cube
Answer» > When TWO cubes are joined their breadth and HEIGHT remain same and length to be double. Given VOLUME =64cm^3, SIDE(a)^3=64,a=4cm. In the cuboid, length(l)=4+4=8cm, breadth=4cm, height=4cm. Surface area=2(lb+lh+bh)=2(84+84+44)=2(32+32+16)=280=160cm^2.

two cubes of volumes 1331cm³ each are joined end to end find TOTAL surface area of the resulting cube

Answer»

When TWO cubes are joined their breadth and HEIGHT remain same and length to be double.

Given VOLUME =64cm^3, SIDE(a)^3=64,a=4cm.

In the cuboid, length(l)=4+4=8cm, breadth=4cm, height=4cm.

Surface area=2(lb+lh+bh)=2(8*4+8*4+4*4)=2(32+32+16)=2*80=160cm^2.