āĻĻā§āĻāĻŋ āύāĻŋāϰā§āĻ āĻā§āϞāĻā§āϰ āĻāϝāĻŧāϤāύā§āϰ āĻ āύā§āĻĒāĻžāϤ 1:8 āĻšāϞā§, āϤāĻžāĻĻā§āϰ āĻŦāĻā§āϰāϤāϞā§āϰ āĻā§āώā§āϤā§āϰāĻĢāϞā§āϰ āĻ āύā§āĻĒāĻžāϤ āĻāϤ āĻšāĻŦā§?
Please do this math quickly
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āĻā§āϤāύā§āϰ āĻ āύā§āĻĒāĻžāϤāĨ¤ {4/3Ī(r1)^3} / {4/3 Ī(r2)^3} =1/8
(r1^3)/(r2^3)=1/8
r1/r2=1/2
āĻŦāĻā§āϰāϤāϞā§āϰ āĻā§āώā§āϤā§āϰ āĻĢāϞā§āϰ āĻ āύā§āĻĒāĻžāϤāĨ¤
4Īr1^2 / 4Īr2^2
=4Ī(1)^2 /4Ī(2)^2
=1/4