Question

A solid toy is is hos os
of them is 2 cm and the best
mented by a right
more
by a right
come. The
ne the volume that
crylinder circumscribes
of the messi
the womentet​

Answer 1

Step-by-step explanation:

Volume of toy = Vol. of cone + Vol.of hemisphere

=

3

1

πr

2

H+

3

2

πr

3

=

3

1

πr

2

[H+2r]h

=

3

1

×

7

22

×2×2[2+2×2]

=

3

1

×

7

22

×4×6

2

=25.12cm

3

Volume of cylinder =πr

2

h=

7

22

×2×2[2+2]=

7

22

×16=50.24cm

3

Difference in volume =50.24−25.12=25.12cm

3

Hence, cylinder cover 25.12cm

3

more space.

solution

Answer 2

Answer:

Volume of toy = Vol. of cone + Vol.of hemisphere

                       =  

3

1

​  

πr  

2

H+  

3

2

​  

πr  

3

=  

3

1

​  

πr  

2

[H+2r]h

                       =  

3

1

​  

×  

7

22

​  

×2×2[2+2×2]

                       =  

3

1

​  

×  

7

22

​  

×4×6  

2

=25.12cm  

3

 

Volume of cylinder =πr  

2

h=  

7

22​  

×2×2[2+2]=  7

22 ×16=50.24cm  

3  

Difference in volume =50.24−25.12=25.12cm  

3  

Hence, cylinder cover 25.12cm  

3

 more space.

Step-by-step explanation: