Question

ii) What will be the surface area of this cube if its each edge measures 9cm?
a) 486 cm2 b) 324 cm2 c) 729 cm2 d)406 cm2

iii) If all the edges of the cube needs to be covered by a thin black tape, what will be the length of the tape required if each edge measures 9cm?
a) 72cm b) 108cm c) 36cm d) 216cm

iv) What would be the length of the longest rod which could be fit inside this cube if it was hollow from inside and its each edge measures 9cm?

a) 3√3 cm b) 6√3 cm c) 9√3 cm d) 12√3 cm

v) If this cube, had an edge 12cm, and was cut into 8 small cubes of equal size, what would have been the length of edge of each small cube so formed?

a) 4cm b) 6cm c) 8cm d) 10cm​

Answer 1

Answer:

(ii) a

(iii) b

(iv) d ( not confirm)

(v) b