Question

find the value of x . DE | | BC AD=X , DB=4 ,AE=15 & EC = 5​

Answer 1

Answer:

x=4

Step-by-step explanation:

⇒

x−2

x

=

x−1

x+2

⇒x(x−1)=(x+2)(x−2)

⇒x

2

−x=x

2

−4

⇒x=4