" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Jawabluas bola 1 : luas bola 2 = 4 : 1
(r1)² : (r2)² = (4) : (1) = (2)² :(1²)
r1 : r2 = 2 : 1