Question

If the volume of cone is 72 cm cube .then the volume of cylinder with same base and height as that of the cone is ? so plz say the answer step by step bcoz in this I was confused​

Answer 1

Answer:

Given, h

2

=9cm,d

2

=40cm

r

2

=

2

40

=20cm,h

1

=108cm.

Volume of the cone = Volume of the cylinder.

3

1

πr

1

2

h

1

=πr

2

2

h

2

3

1

πr

1

2

(108)=π(20)

2

(9)

r

1

2

(108)=3×9×(20)

2

r

1

2

=

108

3×9×400

r

1

2

=100cm.

r

1

=10cm

Thus, the radius of the base of the cone is 10 cm.