the length of a diagonal of a cube is 6root3 cm find its total surface area
MADHANSCTS:
6√3
it is 6 root 3
is it correct
it is not answer
Answers
Answered by
9
For an edge length l the diagonal is l√3. Here diagonal length is 6√3, then its edge length is 6.
Surface area of cube is 6l^2 i.e. 6(6^2)=216
Answer: 216 cubic centimetres
Answered by
9
given,
length of diagonal of cube =6√3
then the length of side =√(3√3)
total surface are of cube = 6a²
= 6[√(3√3)]²
=6×3√3
=18√3
length of diagonal of cube =6√3
then the length of side =√(3√3)
total surface are of cube = 6a²
= 6[√(3√3)]²
=6×3√3
=18√3
Similar questions