Question

number of lead sheets each of radius 2cm can be made by melting a sphere of radius 4 cm​

Answer 1

Answer:

Step-by-step explanation:

Volume of two spheres = Volume of cone

       

3

4

​

π(2)  

3

+  

3

4

​

π(4)  

3

=  

3

1

​

πr  

2

h

                      32+256=r  

2

×8

                               

8

288

​

=r  

2

 

                                  36=r  

2

 

                                     r=6cm.