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

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The volume V of a sphere is given by the formula V = (4/3)πr³, where r is the radius of the sphere.
2.
FLASHCARD QUESTION
Front
What is the value of π (pi) used in calculations?
Back
The value of π (pi) is approximately 3.14.
3.
FLASHCARD QUESTION
Front
How do you find the radius of a sphere if you know the diameter?
Back
The radius r is half of the diameter d. So, r = d/2.
4.
FLASHCARD QUESTION
Front
Calculate the volume of a sphere with a radius of 3 cm using π = 3.14.
Back
V = (4/3)π(3)³ = 113.04 cm³.
5.
FLASHCARD QUESTION
Front
What is the volume of a sphere with a radius of 5 inches?
Back
V = (4/3)π(5)³ = 523.33 in³.
6.
FLASHCARD QUESTION
Front
If a sphere has a volume of 904.32 in³, what is its radius?
Back
Using the formula V = (4/3)πr³, the radius r is approximately 6.2 inches.
7.
FLASHCARD QUESTION
Front
What is the volume of a hemisphere?
Back
The volume of a hemisphere is half the volume of a sphere: V = (2/3)πr³.
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