" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
39,56= 2Pi r
r= 39,56 / 2Pi
r = ok 6,3 cm
P=Pi r² = Pi *(6,3)²= 39,69 Pi= ok 124,7cm²
Pole wynosi ok 124,7cm²