Posted by **Nicey** on Wednesday, May 18, 2011 at 4:43pm.

An observatory has the shape of a right circular cylinder topped by a hemisphere. The radius of the cylinder is 8 ft and its altitude measures 26 ft

What is the approximate surface area of the observatory? Round to the nearest foot. Show all work to receive full credit. (Hint: Remember the top and bottom of the cylinder will not be painted, so do not include them in your surface area. However, note that the hemispherical dome will be painted.)

B. If 1 gallon of paint covers 300 ft2, how many gallons are needed to paint the surface if it requires three coats? Round up to the nearest gallon. Show all work to receive full credit.

## Answer this Question

## Related Questions

- Math - What is the surface area of a right circular cylinder topped with ...
- math - A container in the shape of a right circular cylinder with no top has ...
- geometry - Find the volume of a barber's pole having the shape of a right ...
- Geometry - The surface area of the sides of a right cylinder can be found by ...
- geometry - find the surface area of the figure below. A cylinder which has a ...
- Geometry - 15.) Find the volume of a barber's pole having the shape of a right ...
- geometry - A right circular cylinder has an altitude of 11 feet and a radius of ...
- math - A right circular cylinder of radius r and height h is inscribed in a ...
- Math - Geometry - A cylindrical solid has a cylindrical circular hold drilled ...
- maths --Surface area and all that.. - A toy is in the shape of a right circular ...