Thursday

October 23, 2014

October 23, 2014

Posted by **Allison** on Tuesday, April 30, 2013 at 11:24pm.

- Math -
**Steve**, Wednesday, May 1, 2013 at 10:31ama = πrs = πr(2r) = 2πr^2

v = π/3 r^2 h

so,

π/3 r^2 h = 3πr^2

h=9

If s = 2r,

h^2 + r^2 = 4r^2

9+r^2 = 4r^2

r=3

so, r=3 s=6 h=9

check:

a = π*3*6 = 18π

v = π/3 * 9 * 9 = 27π

**Answer this Question**

**Related Questions**

math - The ratio of the volume to the lateral area of a right circular cone is 2...

math - A cone has a slant height of 10 centimeters and lateral area of 60pi ...

Math plz help me!!! URGENT!! - Find the volume of a cone with a radius of 10 mm ...

MATH QUIZ PLS HELP!!! - 1.Find the lateral area of a cone with a radius of 7 ft...

Solving Geometry Problem - PLEASE HELP - Test tom! - A cone has a slant height ...

geometry - 1. What is the lateral surface area of a square pyramid with side ...

ap Calculus - A right circular cone has a fixed slant height, s= 12 inches. ...

Math help, anyone? - Find the volume of a square pyramid with a base length of 9...

Math. please - Find the volume of a square pyramid with a base length of 9 cm ...

math help - Find the lateral area of a cone with a radius of 7 ft. and a slant ...