REPEDE VĂ ROG (COROANA +5stele+inima)
7,8::)

Răspuns:
A -- 4 -- B ---- 5 ---- C -- 3 -- D
AC = AB + BC = 4 + 5 = 9 cm
AD = AC + CD = 9 + 3 = 12 cm
BD = BC + CD = 5 + 3 = 8 cm
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a) A ------ B ---------- C
AC = AB + BC = 3,5 + 6 = 9,5 cm
b) B ------ A ---------- C
AC = BC - AB = 6 - 3,5 = 2,5 cm