1oblicz pole i obw.wycinka koła jeżeli
b)alfa=80,r=4
c)alfa=120,r=2
d)alfa=150,r=2
П - liczba Pi
b) P = 80/360 * П * 4*4 = 3 5/9 * П
Obw = 80/360 * 2П * 4 + 4*2 = 1 7/9 *П + 8
c) P = 120/360 * П * 2 * 2 = 1 1/3 * П
Obw = 120/360 * 2П *2 +2 *2= 1 1/3 * П + 4
d) P= 150/360 * П *2*2 = 1 2/3 * П
Obw = 150/360 * 2П *2 + 2 *2 = 1 2/3 * П +4
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П - liczba Pi
b) P = 80/360 * П * 4*4 = 3 5/9 * П
Obw = 80/360 * 2П * 4 + 4*2 = 1 7/9 *П + 8
c) P = 120/360 * П * 2 * 2 = 1 1/3 * П
Obw = 120/360 * 2П *2 +2 *2= 1 1/3 * П + 4
d) P= 150/360 * П *2*2 = 1 2/3 * П
Obw = 150/360 * 2П *2 + 2 *2 = 1 2/3 * П +4