CUET Preparation Today
If the diagonal of a cube is of length ‘l’, then the total surface area of the cube is? |
\(\sqrt {3 }\) l² l² 2 l² 3 l² |
2 l² |
Diagonal = \(\sqrt {3}\)a l = \(\sqrt {3}\) a a = \(\frac{l}{\sqrt {3}}\) T.S.A. = 6a2 = 6\(\frac{l^2}{3}\) = 2 l² |
