" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
6,28= 72°÷360° × 2 π r
6,28= 1÷5 × 2 π r
6,28= 1,25r
6,28÷1,25= r
5,24= r