Question

Triangle a b c is cut by line segment d e. line segment d e goes from side a c to line a b. the length of a e is 12, the length of e b is 4, and the length of a d is 9. what is the length of line segment d c? 2 units 3 units 6 units 9 units

Answer 1

Answer:

3 Units

Step-by-step explanation:

Answer 2

Answer: 3 units

Step-by-step explanation:

By the triangle proportionality theorem,

$\frac{12}{4}=\frac{9}{x} \\ \\ 3=\frac{9}{x} \\ \\ x=\boxed{3}$