two cubes each of volume 64 CM square and joined end to end prove that the total surface of area the resulting cuboid is 160 cm square
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volume of cube = a cube
cube root over 64=a
a= 4
length of cuboid is 12 cm
TSA of cuboid= 2 ( lb + bh+ lh)
= 2 ( 2×4 + 4×4+12×4)=160
cube root over 64=a
a= 4
length of cuboid is 12 cm
TSA of cuboid= 2 ( lb + bh+ lh)
= 2 ( 2×4 + 4×4+12×4)=160
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