Question

volume of cone is 462 m3 its base radius is 7m find its height ​

Answer 1

Answer:

Using the formula

V=πr2h

3

Solving forh

h=3V

πr2=3·462

π·72≈9.00362m

Answer 2

Answer:

Correct option is

D

9

Step-by-step explanation:

Given volume of cone is 462 cu. m and its base radius is 7 m

We know that volume = V=

3

1

πr

2

h

⇒h=

πr

2

3×V

∴h=

7

22

(7)

2

3×462

⇒h=

22×7

3×462

=

154

1386

=9 cm