Question

A cylinder of radius 2.2 cm and height 0.7cm is melted and reshaped into a cube . find
1. the surface area of the cube.
2. the length of each side of cube. ​

Answer 1

Answer:

For cylindrical wire,

d=0.2cm,r

2

0.2

=0.1cm

Let the length of wire be xcm

So, according to problem Volume of cylindrical wire Volume of sphere

=πr

2

h=

3

4

πr

3

=0.1×0.1×x=

3

4

×3×3×3

x=

0.1×0.1×0.1

4×3×3×3

x=3600cm or 36cm

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Hope, it will help you brother