Răspuns:
Explicație pas cu pas:
Se formeaza triunghiuri asemenea EAB si EFG
AE/EF = 5/8
AE/(AE + AF) = 5/8
8AE = 5(AE + AF) = 5AE + 5AF
8AE - 5AE = 5AF
3AE = 5AF
AE = 5AF/3
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AE/AF = 5/3
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AB/FG = AE/EF = 5/8
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BG/BE = AF/AE = 3/5
