Question

Va rog e urgent! Ofer coroana!​

Answer 1

Răspuns:

CD = 2/3 × BD => CD = 2/3 × 6 => CD = 4CM

BC = CD + DB = 4 + 6 = 10 cm

Answer 2

$cd = \frac{2}{3} \times db \\ cd = \frac{2}{3} \times 6 \\ cd =4$

BC=CD+DB

BC=4+6

BC=10cm