Question

Radius of sphere is 5cm . If radius of sphere is increased by 20% then find increase in volume.

Answer 1

Here is ur answer dear friend
radius of sephere 5cm
new radius 5+20%of 5 = 6cm
f
diff in volumes 4/3πr32- r 31
4/3π[6)3-(5)3
4/3π[216- 125)
4/3π(91)
increse in volume
4/3π(91)/4/3π(5)3 x 100=364/5
72 4/5% or 72.8%

Answer 2

Answer:

Step-by-step explanation:

r=5

new rad=5 +20% of5

R=5+1=6

vol of sphere =4/3πr³

=4/3×22/7×6³

=905.14