Respuesta :

V1 :V2= 250 : 686 =125 : 343 , Volume ratio= 125: 343
r1: r2 = ∛125 : ∛243 = 5 : 7     , Scale factor =5:7
S1:S2 
= 5² : 7² = 35 : 49,           Surface area ratio =35 : 49

Scale factor =5:7
Surface area ratio =35 : 49
 Volume ratio= 125: 343