" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Pwk - pole wycinka koła
r= 10
pwk = α/360 x πr²
Pwk = 150/360 x 100π ≈ 42 π
Lk = 2πr = 20π
Lwk = 150/360 x 2πr ≈ 8π
20 - 8 = 12
luk=5/12*2πr
P=1/2*luk*r
P=1/2*5/12*2πr*r
P=5/12*πr²=5/12*3,14*100cm²