D.126cm²
(p×l)-(π×r²)
=(20×14)-(22/7×7×7)
=280-154
=126
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
D.126cm²
(p×l)-(π×r²)
=(20×14)-(22/7×7×7)
=280-154
=126