L Δ ACD = a x t
65 = 10* t
t = 65/10 =6,5 cm
L Δ BCD = a x t = 18 x 6,5 = 117 cm²
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L Δ ACD = a x t
65 = 10* t
t = 65/10 =6,5 cm
L Δ BCD = a x t = 18 x 6,5 = 117 cm²