Question

Q - 5 Do as directed.

8. If the length of a cube is 2 cm then find the surface area of the cube?

9. The length of cuboid is 6 cm, width 3 cm and height 1 cm, then find the volume of

cuboid.

10. If the radius of a cylinder is 14 cm and the height is 5 cm, then find the volume of

this cylinder. (π =
22
)

7

​

Answer 1

Answer:

8)Total surface area of the cube=6a

2

Here a=2 cm

⇒6×(2

2

)=24cm

2

Answer 2

Answer:

24 cm.

Step-by-step explanation:

Area of square = side x side

So, surface area of one square in cube = 2 cm x 2 cm

= 4 cm2

No. of squares in cube = 6

Therefore, surface area of cube = 4 cm² x 6 =

24 cm2