Question

The volume of a cube is 729 cm3. Find its edge and surface area

Answer 1

edge is of 9 cm

and surface area is 81*6 = 486 cm^2

Answer 2

We know that -- Surface Area=l^3=>729=l^3=>l=9.Therefore it's edge is 9 cm.Again surface area=6l^2=6×9^2=6×81=486cm^2