" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Okoła = 2πr - o koła
Okw. = Okoła
4a = 2πr
Pkw = a² - pole kwadratu
Pko la = πr²
Pkw: P koła = ?
1. z zależności obliczam a
4a = 2πr
a = ½πr
2. Obliczam tosunek pola kwadratu do pola koła wynosi ¼π
Pkw: P koła = ?
[ a²] : [πr²] =
=[ ½πr]² : [πr²]=
=[ ¼π²r² ] : [πr²] =
= ¼π