Question

Find the surface area of the following cubes
with length of edge:
1)6cm
2)2.4cm
3)5.5cm
4)7cm
​

Answer 1

Answer:

1 one = 216

2 one 34.56

3 one 181.5

4 one 294

Answer 2

Answer:

Total surface area (T. S. A) of cube = 6a square

Curved surface area(C.S.A) of cube = 4a square

Step-by-step explanation:

1) T. S. A = 6*6*6

=216 cm square

C. S. A = 4*6*6

=144 cm square

2) T. S. A. =6*2.4*2.4

= 34.56 cm square

C. S. A = 4*2.4*2.4

=23.04 cm square

3) T. S. A. =6*5.5*5.5

= 181.5 cm square

C. S. A. = 4*5.5*5.5

= 121 cm square

4)T. S. A. = 6*7*7

= 294 cm square

C.S.A. = 4 *7*7

= 196 cm square