" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5²+x²=8²
x² = 39
x = √39
przekątna w kwadracie:
d = 2x = 2√39
d = a√2 = 2√39
a = 2√39 : √2 = √78 = z