" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a-bok kwadratu
Pkwadratu=a²
a²=40,5=81/2
a=√(81/2)=9:√2
d-przekatna d=a√2
d=9:√2 *√2=9