Math
posted by Mika .
A metal cylinder with a 4 inch radius and a 10 inch altitude is melted and recast into solid right circular cones each with a 1 inch radius and 2 inch altutudes. What is the number of cones formed?

Math 
Steve
Dig out your formulas for volume of cylinder and cone:
cylinder V=Bh = pi * r^2 * h = 160pi
cone: V = 1/3Bh = 1/3 pi r^2 * h = 2/3 pi
SO, 160/(2/3) = 240 cones.
Respond to this Question
Similar Questions

geometery
A solid metal cylinder with a 4in. radius and a 10in. altitude is melted and recast into solid right circular cones each with a 1in. radius and a 2in. altitude. The number of cones formed is 
math
Ted made a scale model of a submarine for his science class. a. What is the volume of Ted’s model? 
Math
Jack needs a piece of wood at least 13/16 inch long for some detail work on a project he is working on. Which of the following lengths of wood would meet his requirements? 
math
The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? 
Calculus AB
The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? 
Math Calc
The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? 
Calculus
The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? 
Calculus Please Help
The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? 
PLEASE HELP BEEN STUCK ALL DAY CALCULUS
The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? 
MATH
WHAT IS THE LENGTH OF THE YARN TO THE NEAREST INCH A. 1 INCH B. INCH 2 C.INCH 3 D.INCH 4 THAT ALL THE ANSWER THAT'S ON MY WORK PLZ HELP ME THXS GUYS GIRL'S AND BOY'S