Question

40 points!!!!!!!!!1please please help

A cone has a diameter of 18 units and height of 8 units. What is its volume?
A.
72π cubic units
B.
216π cubic units
C.
648π cubic units
D.
864π cubic units

Answer 1

the answer is B

Step-by-step explanation:

volume of cone=1/3×pie×r²h

where v=volume, pie=22/7 ,r=d/2=18/2=9units,h=8 units

V=1/3×pie×9²×8

=1/3×pie×9×9×8

=3×9×8×pie

=27×8×pie

=216pie cubic units