August 2018 1 8 Report
1.Wysokość pewnego trójkąta równobocznego jest o 3 cm krótsza od jego boku. Oblicz długość boku tego trójkąta.



2.Przekątna kwadratu jest o 2 cm dłuższa od jego boku. Jaki ma obwód ten kwadrat?

Prosze o wyjaśnienie krok po kroku..:D
znalazłam taka stronę ale nie wiem skąd się wzięło

a=6(2+ pierwiastek z 3)
http://www.matematyka.pl/69763.htm
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