Hej ! Potrzebne na jutro zad.7.str.71 matematyka z plusem 2 . ,,Na rysunku podano wymiary stadionu .... Question from @klaudia764

October 2018 1 16 Report

Hej ! Potrzebne na jutro zad.7.str.71 matematyka z plusem 2 . ,,Na rysunku podano wymiary stadionu . Zawodnicy A i B przebiegli po swoich torach jedno okrążenie.Oszacuj , o ile dłuższy dystans przebiegł zawodnik B . Proszę o pomoc !

danamat1

Zawodnik A

r1 = 1/2 * 63,7 = 31,85 m

L1 = 2* 100 + 2* 3,14 * 31,85 = 200 + 200,018 = 400,018 m

Zawodnik B

r2 = 1/2 * 56,7 + 10 = 41,85 m

L2 = 2* 100 + 2* 3,14 * 41,85 = 200 + 262,818 = 462,818 m

462,818 - 400,018 = 62,8 m = około 63 m

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