Kolo: 2r=10
r=5
P=πr²
P=25π
============================================================
Kwadrat:
-------------
a=?
P=a²
a²=25π
a=√25π
a=5√π
=====================================
Bok tego kwadratu ma dlugosc 5√π
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Kolo: 2r=10
r=5
P=πr²
P=25π
============================================================
Kwadrat:
P=25π
-------------
a=?
P=a²
a²=25π
a=√25π
a=5√π
=====================================
Bok tego kwadratu ma dlugosc 5√π