" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
7850 = 3.14 x r² x 25
7850 = 78.5 x r²
7850/78.5 = r²
100=r²
r=√100
r=10 cm
semoga bermanfaat