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|B1C1| = 15*7/3 = 35
|C1A1| = 30*7/3 = 70
7/3 zapisuj w postaci ułamka oczywiście ;]
b) Nie będe wpisywał dalej A1B1 tylko AB. Z lenistwa ofc ;]
|AB| = 9*7/3=21
|AC| = 12*7/3 = 28
|CA| = 15*7/3=35
c)
|AB| = 18*7/3 = 42
|BC| = 36*7/3 = 84
|CD| Nie zostało podane? * 7/3 = wynik ;]
d) |AB| = 9√3 * 7/3 = 21√3
|BC| = 6√3 *7/3 = 14√3
|CA| = 12√3 * 7/3 = 28√3