Question

1944m long wire is made from a metallic sphere of radius 18cm. Find the diameter of the radius.

option:-
(a) 2.5 mm (b) 3mm (c) 4 mm. (d) 5mm

find the solution and send the solution​

Answer 1

Volume of sphere = Volume of wire

⇒

3

4

πr

1

3

=πr

2

2

h=

3

4

×9

3

=(0.2)

2

×h⇒h=

0.04×3

4×9×9×9

h=24300 cm. Hence, length of wire is 24300 cm or 243 m.

For Kids:

diameter is 36 cm

Step-by-step explanation:

diameter = radius × 2

= 18 × 2

= 36 cm