A cone has a volume of 562.5pi cm^3. The radius of the base of the cone is equal to twice the height of the cone. Work out the curved surface area of the cone. Give answer to 3 sig figs.

A cone has a volume of 562.5pi cm^3. The radius of the base of the cone is equal to twice the height of the cone. Work out the curved surface area of the cone. Give answer to 3 sig figs.

If sand used in concrete is coming off a conveyor belt 30 feet high, what diameter will the base be when 30 feet is reached?

Austin uses a mold to make cone shaped cupcakes. The diameter of the mold is 3 inches, and the height of the mold is 2 inches. If one cubic inch is about .55 ounce, how many ounces will 10 cupcakes...

My textbook says the sides of the square-based prism should be 26.67 cm by 26.67 cm and the height 10 cm. Although I believe the height is correct, I believe 26.67 for the base is incorrect. If you...

A solid cone-shaped lead crystal paperweight has a height of 5 centimeters and a base diameter that's 20% larger than the height. If the density of lead crystal us 3.1 g/cm^3, what's the approximate...

A cylindrical container of base radius 8 cm is filled with water to a depth of 10 cm. (The height of the container is more than 10 cm). A solid right circular cone of base radius 6 cm and height h...

This a math homework problem and i don't understand it.

A right circular cone of height h and base radius r has total surface area S consisting of its base area plus its side area, leading to the formula: S= pi*r^2+pi*r*sqrt(r^2+h^2) Suppose...

dont know how to do