t×r2=
r2= 30×30= 900
t=3.14
3.14×900=2826
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
t×r2=
r2= 30×30= 900
t=3.14
3.14×900=2826