Question

FIND the volume of a right circular cone whose radius and height are the same as that of a right circular cylinder whose volume is 345cm^3

Answer 1

Step-by-step explanation:

Answer

Given, 2πr=66⇒r=

2×22

66×7

=

2

21

cm

∴v=πr

2

h=

7

22

×

2

21

×

2

21

×40=13860cm

3