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2.B
3. PIERWSZA KOLUMNA: 2, 4, 4
DRUGA KOLUMNA: 5, 10, 25
TRZECIA KOLUMNA: 4,8, 16
4.
5.
6. 20°=360°/18
7. PRAWDA FAŁSZ
8. 1600 π =14400π/X
1600π X=14400π
1600X=14400
X=9
360°/X= 360°/9 =40°
9. (πR²-πr²)*3/11=(16π-9π)*3/11=7π*3/11=21π/11=(21*22/7)/11=66/11=6
6*4=24 KRZEWY