" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
60/30=231/x
2/1=231/x
2x=231
x=115,5
2.....
L juring=90°πr2=90°360×22/7×14×14=616×1/4=154
L segitiga=1/2×14×14=98
L tembereng=154-98=56