" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
dł.okręgu=l
l=2πr=2*4π=8π
P=πr²=π*4²=16π
2)r=√3
l=2√3π
P=πr²=3π