" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
P- pole koła, π- liczba Pi, r- promień koła.
π = 3,14
a) r = 3cm
P = 3,14 * 3²cm = 3,14 * 9cm = 28,6cm²
r = 7cm
P = 3,14*7²cm = 3,14 * 49cm = 153,86cm²
b)r = 1,2cm
P = 3,14*1,2²cm = 3,14*1,44cm = 4,5216cm²
r = 5cm
P = 3,14*5²cm = 3,14*25cm = 78,5cm²
Wydaje mi się, że dobrze =]