Question

if the radius of a sphere is 2r, then it's volume is __________​

Answer 1

Answer:

if the radius of a sphere is 2r then it's volume is 33.52r³

Step-by-step explanation:

volume of sphere is 4/3 π r³

if r=2r

then V=4/3π(2r)³

V=4/3×22/7×8×r³

since π=23/7

V=32×22r³/21

V=704r³/21

V=33.52r³