Sphere practice problems
A sphere is a perfectly symmetrical three-dimensional geometric shape where every point on its surface is equidistant from a fixed point called the center. It is the mathematical idealization of a round ball.Number of problems found: 231
- The radius 4
The radius of a sphere is r = 9 cm. What is the volume of this sphere? Use π ≈ 3.14 and round your answer to the nearest hundredth. - Helium balloon
Oscar needs to fill a sphere-shaped balloon with helium. If the balloon has a diameter of 8 inches, what is the total amount of helium that the balloon will hold to the nearest tenth? - The Earth and Moon
The diameter of the Moon is approximately 1/4 of the diameter of the Earth. What fraction of the Earth's volume is the Moon's volume? - Iron ball 2
What is the mass of the iron ball with a diameter of 1,0 dm? The density of iron is 7870 kg/m³. - Surface = volume
If the volume and the surface area of a sphere are numerically equal, find its radius. - A hemispherical
A hemispherical bowl has a radius of 3.5 cm. What would be the volume of water it would contain? - Spherical sector - parameters
Find the volume and surface area of a spherical sector whose base has a height of 8 cm, drawn on a sphere with a diameter of 36 cm. - Spheres - ratios
The surface areas of two spheres are in the ratio 1:4. Find the ratio of their volumes. - Tent - spherical cap
I have a tent in the shape of a spherical cap. Assume we want the volume to be 4 cubic meters, to sleep two or three people. Assume that the material making up the dome of the ten is twice as expensive per square as the material touching the ground. What - A capsule
A medicine capsule is a cylinder with two hemispheres stuck to each end. Its length is 14 mm, and its diameter is 5 mm. Find its surface area. - Calculate sphere
Calculate the volume of a sphere with a diameter of 15 cm. - Calculate
Calculate a sphere's volume and surface area with a diameter of 15 m. - Sphere VS
Find the surface and volume of a sphere with a radius of 2 dm. - How many 9
How much percent volume remains of a sphere if the diameter decrease 3×? - Sphere volume surface Calculate a sphere's volume and surface area with a radius of 23 dm.
- Fit ball
What is the size of the surface of a Gymball (FIT - -ball) with a diameter of 65 cm? - The volume
The volume of the sphere is 1 m³. What is its surface? - Gas sphere
The gas tank has the shape of a sphere with a diameter of 14 m. How many m³ of gas will fit in it? - Calculate S,V
Calculate the volume and surface area of the sphere if given r = 36mm. - Sphere fall
How much percent fall volume of a sphere if the diameter decreases 3×?
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