So is the paper rolled into the shape of a cone? If so you can use the diameter to find the radius (divide by 2) so the radius is 1.75 inches. Then use the formula V=(1/3)*(Area of the Base)*height. Since the base of a cone is a circle the area of the base is found by using the formula A = pi*r^2.
So is the paper rolled into the shape of a cone? If so you can use the diameter to find the radius (divide by 2) so the radius is 1.75 inches. Then use the formula V=(1/3)*(Area of the Base)*height. Since the base of a cone is a circle the area of the base is found by using the formula A = pi*r^2.
BabelMath 2 years ago