ΔABC has points D and E on AB and AC respectively. ∠ADE = ∠ABC; AD = 5cm; BD = 9 cm. What is the length of DE if the length of BC is 18 cm?
1
5 cm
2
8 cm
3
45/7 cm
4
14 cm
ΔABC has points D and E on AB and AC respectively. ∠ADE = ∠ABC; AD = 5cm; BD = 9 cm. What is the length of DE if the length of BC is 18 cm?