Ask a New Question

Question

If the radius of a cone is cut in half, the volume of the cone is multiplied by what number?
14 years ago

Answers

Jai
recall that volume of cone is given by
V = pi*(r^2)*h/3
where
pi = 3.14 (constant)
r = radius
h = height
if r becomes (1/2)r,
V,new = pi*[(1/2)r]^2*h/3
V,new = 1/4[pi*(r^2)*h/3]
V,new = (1/4)V

thus multiplied by 1/4.

hope this helps~ :)
14 years ago
Reiny
original volume = (1/3)π(r^2)h
new volume = (1/3)π(r/2)^2 h = (1/3)π((r^2)/4)h

so multiplied by 1/4
14 years ago

Related Questions

What is the radius of a cone with a diameter of 12 inches? If a cone has the same radius and height as a cylinder, the volume of the cone is _ the volume of... A cone has a radius of 24 cm and volume of 1,920 cm3 What is the volume of a similar cone with a rad... What is the radius of the cone? (1 point) the base of the cone is 8, the perpendicular height is... a cone with a radius of 12.5 and a slant of 22 what is the surface area if pie is 3.14 The radius of the cone is 7 in and y = 25 in. What is the volume of the cone in terms of π? A con... Cone W has a radius of 10 cm and a height of 5 cm. Square pyramid X has the same base area and heigh... A cone has the radius of six and the height of 11 what is the surface area of the cone?] A cone with a radius of 6 ft and a height of 8 ft. What is the volume of the cone in the image? Roun... A cone with a radius of 6 ft and a height of 11 ft. Tarik finds the volume of the cone in the image....
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use