What is the formula for the volume of a sphere?
Volume of a Sphere

Flashcard
•
Mathematics
•
7th - 9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
V = (4/3)πr³, where r is the radius of the sphere.
2.
FLASHCARD QUESTION
Front
What does the term 'volume' mean in geometry?
Back
The amount of space a 3-dimensional object takes up.
3.
FLASHCARD QUESTION
Front
What shape is defined as a perfectly round 3D object where every point on the surface is equidistant from the center?
Back
Sphere.
4.
FLASHCARD QUESTION
Front
If the radius of a sphere is 3 cm, what is its volume using π = 3.14?
Back
V = (4/3) * 3.14 * (3)³ = 113.04 cm³.
5.
FLASHCARD QUESTION
Front
What is the approximate volume of a sphere with a radius of 5 m?
Back
V ≈ 523.33 m³ using π ≈ 3.14.
6.
FLASHCARD QUESTION
Front
How does changing the radius of a sphere affect its volume?
Back
The volume increases with the cube of the radius; if the radius doubles, the volume increases by a factor of 8.
7.
FLASHCARD QUESTION
Front
What is the relationship between the diameter and radius of a sphere?
Back
The diameter is twice the radius (d = 2r).
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