Question

Please help me. find x.​

Answer 1

x = 5

Explanation:

m∠C ≅ m∠ABD and ∠A = ∠A

ΔABC similar to ΔADB

AB / AD = AC / AB

6 / 4 = (AD + CD) / 6 = (4 + x) / 6

4 x (4 + x) = 6 x 6

16 + 4x = 36

4x = 20

x = 5