Question

which one is the correct option and how??​

Answer 1

Answer:

Step-by-step explanation:

thales theorem

l1/l2=l3/l4

Answer 2

Answer:

x+10/4x+10=x+6/x+10

(x+10)^2=(x+6)(4x+10)

x^2+100+20x=4x^2+10x+24x+60

100-60=3x^2+34x-20x

3x^2+14x-40=0

3x^2+20x-6x-40=0

3x(x-2)+20(x-2)=0

(3x+20)(x-2)=0

x=2

x=-20/3

option( A) because AD/DB=AE/EC