Question

The length of the diagonal of a cube is 83 cm. Find its : (i) edge (ii) total surface area (iii) volume​

Answer 1

Answer:

Step-by-step explanation:

(i) Length of diagonal of a cube = 8√3 cm Length of edge = 8√3/√3 = 8 cm (ii) Total surface area = 6a2 = 6 x 82 = 6 x 64 cm2 = 384 cm2  (iii) Volume = a3 = (8)3= 512 cm3 Read more on Sarthaks.com - https://www.sarthaks.com/172341/the-length-of-the-diagonals-of-a-cube-is-83-cm-find-its-i-edge-ii-total-surface-area