" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
α= 145 + β
2β= α
α=290
β=145
α=kąt środkowy
α=β+145⁰
α=2β
β+145=2β
2β-β=145
β=145⁰
α=2β=2×145=290⁰