the diameter of a sphere is decreased by the 25% find its volume
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Let the diameter be d
Diameter is decreased by 25%
This means,
New Diameter ,
D = d - 25% of d
D = d - 25d/100
D = 75d/100 = ¾ d
R = D/2 = ⅜ d
Volume = 4/3 πR³
= 4/3 π (⅜d)³
= 9/128 d³
Diameter is decreased by 25%
This means,
New Diameter ,
D = d - 25% of d
D = d - 25d/100
D = 75d/100 = ¾ d
R = D/2 = ⅜ d
Volume = 4/3 πR³
= 4/3 π (⅜d)³
= 9/128 d³
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