" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
L=3,14×r×r346,5=3,14×r×r
346,5:3,14=r×r
110,35=r×r
akar kwadrat 110,35 = r
r = 10,50
d=2×r
d=2×10,5
d=21