" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2πr=120:360*2π*5
2πr=1/3*10π
2πr=10/3π /*1/2
πr=5/3π /:π
r=5/3=1 2/3