Question

Find the
surface area of a cube opened at the top of edge11cm.​

Answer 1

Answer:

SA=5a^2

5x11^2 = 605cm2

Answer 2

Edge of the cube=11cm

Curved Surface area of cube +Area of 1 square = S.A. of the cube opened at the top

4 x a x a + a x a

4 x 11 x 11+11 x 11

484 + 121

=605 cm square