" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
=√9²+12²
=√81+144
=√225
=15
Lp=π×r(s+t)
=3,14×9(15+12)
=28,26×27
=763,02 cm²