November 2018 1 6 Report
8.Dlugosc luku o promieniu rownym 6,5cm i kacie srodkowym 40stopni wynosi:

25Pi/16cm 13pi/40cm 13pi/18cm 13pi/9

9.Pole wycinka kola o promieniu r=8cm i kacie srodkowym a=15stopni jest rowne:

1/3pi cm2(kwadrat) 16/3pi cm2 8/3pi cm2 1536pi cm2

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