Question

A solid sphere of radius 3cm is melted and reformed by stretching it into a cylindrical shaped wire of length 9m . find the radius of the wire​

Answer 1

Answer:

Volume of sphere=Volume of wire

4/3πrka cube=πr square×height

4/3×π×3×3×3=π×r×r×9

4/3×27=r×r×9

r×r=4×27/9×3

r=√4

r=2

Answer 2

Answer:

radius = 6/30 cm

Step-by-step explanation:

r¹sphere = 3cm

hcylin = 9m

1m = 100cm

9m = 900cm

Vsphere = Vcyl

4/3πr³ = πr²h

4/3xx3x3x3 = r²x900

36/900 = r²

√36/√900 = r

6/30 cm = r