# Castle model

The castle model has a cone-shaped roof. The cone side is 45 cm long and the base radius is 27 cm.

a) What is the roof volume?

b) How many dm

c) What is the weight of the roof if it is made of wood with a density of 0.56 g/cm

They were rounded to tenths of a kilogram.

a) What is the roof volume?

b) How many dm

^{2}of wallpaper is used to glue the roof, ie the cone shell?c) What is the weight of the roof if it is made of wood with a density of 0.56 g/cm

^{3}?They were rounded to tenths of a kilogram.

**Correct result:****Showing 0 comments:**

Tips to related online calculators

Do you know the volume and unit volume, and want to convert volume units?

Tip: Our Density units converter will help you with the conversion of density units.

Do you want to convert mass units?

Tip: Our Density units converter will help you with the conversion of density units.

Do you want to convert mass units?

#### You need to know the following knowledge to solve this word math problem:

## Related math problems and questions:

- Cuboid 5

Calculate the mass of the cuboid with dimensions of 12 cm; 0.8 dm and 100 mm made from spruce wood (density = 550 kg/m^{3}). - Canopy

Mr Peter has a metal roof cone shape with a height of 127 cm and radius 130 cm over well. He needs to paint the roof with anticorrosion. How many kg of color must he buy if the manufacturer specifies the consumption of 1 kg to 3.3 m^{2}? - Iron ball

The iron ball has a weight of 100 kilograms. Calculate the volume, radius, and surface if the iron's density is h = 7.6g/cm^{3}. - Gravel - cone

The mound of gravel has a regular circular cone shape with a height 3.3 meter and a base circumference of 18.85 meters. How many cubic meters of gravel is in a pile? Calculate the weight of gravel if its density is p = 640 kg / cubic m. - Cone - side

Find the surface area and volume of the cone if its height is 125 mm and the side length is 17 cm. - Wooden bowls

20 wooden bowls in the shape of a truncated cone should be painted on the outside and inside with wood varnish. We need 0.1 l of paint to paint 200 cm^{2}. How many liters of paint do we have to buy if the bowls are 25 cm high, the bottom of the bowl has a d - Wood prisms

How many weight 25 prisms with dimensions 8x8x200 cm? 1 cubic meter of wood weighs 800 kg. - Two vases

Michaela has two vases in her collection. The first vase has the shape of a cone with a base diameter d = 20 cm; the second vase has the shape of a truncated cone with the diameter of the lower base d1 = 25 cm and with the diameter of the upper base d2 = - Cone from cube

The largest possible cone was turned from a 20 cm high wooden cube. Calculate its weight if you know that the density of wood was 850 kg/m^{3} - Copper plate

Calculate the thickness of the copper plate with a density 8.7 g/cm³ measuring 1.5 meters and 80 cm and its weight is 3.65 kg - Wall thickness

The hollow metal ball has an outside diameter of 40 cm. Determine the wall thickness if the weight is 25 kg and the metal density is 8.45 g/cm^{3}. - Sphere

The surface of the sphere is 12100 cm^{2}, and the weight is 136 kg. What is its density? - Rotating cone

Calculate the volume and the surface area of a rotating cone of base radius r = 2.3 dm and a height h = 46 mm. - The conical

The conical candle has a base diameter of 20 cm and a side of 30 cm. How much dm ^ 3 of wax was needed to make it? - Cone - from volume surface area

The volume of the rotating cone is 1,018.87 dm^{3}, its height is 120 cm. What is the surface area of the cone? - The square

The square oak board (with density ρ = 700 kg/m^{3}) has a side length of 50 cm and a thickness of 30 mm. 4 holes with a diameter of 40 mm are drilled into the board. What is the weight of the board? - Wood cuboid

What is the weight of the wood cuboid 15 cm, 20 cm, 3 m if 1 m^{3}wood weighs 800 kg?