Asked by anonymous
If you double the radius of a sphere, its volume increases by what factor?
A. 8
B. 6
C. 2
D. 4
I thought maybe C.2 or D.4
A. 8
B. 6
C. 2
D. 4
I thought maybe C.2 or D.4
Answers
Answered by
Anonymous
V = (4/3)(pi)(r)^3
V = (4/3)(pi)(2r)^3
V = (4/3)(pi)8r^3
(4/3)(pi)(8)(r)^3 รท (4/3)(pi)(r)^3
Everything cancels out but the 8, so the answer is A.
V = (4/3)(pi)(2r)^3
V = (4/3)(pi)8r^3
(4/3)(pi)(8)(r)^3 รท (4/3)(pi)(r)^3
Everything cancels out but the 8, so the answer is A.
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