username999990
username999990 username999990
  • 15-02-2019
  • Mathematics
contestada

What is the approximate volume of a cone with a height of 8 cm and a radius of 12 cm? Use 3.14 for pie.
A) 1206 cm
B) 2170 cm
C) 3260 cm
D) 6510 cm

Respuesta :

MrsStrong
MrsStrong MrsStrong
  • 17-02-2019

Answer:

A

Step-by-step explanation:

The volume of the cone is found using the volume formula for a cone [tex]V=\frac{1}{3}\pi r^2h[/tex].

Substitute h=8 and r = 12.

[tex]V = \frac{1}{3}\pi r^2h\\V = \frac{1}{3}\pi (12^2)(8)\\V=\frac{1}{3}\pi *144*8\\V = \frac{1152}{3}\pi \\V= 384\pi \\V=1,205.76[/tex]

So the volume is approximately 1,206 cubic cm.

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