Question

In the diagram, DC is 10 units and BC is 6 units. What is the length of segment AC?

Answer 1

For this case what we must observe are the following triangles:

ADB

BDC

According to the diagram, the triangles have exactly the same dimensions.

Therefore, it is fulfilled:

`image`

Then, the value of AC is given by:

`image`

Substituting values we have:

`image`

Answer:

The value of AC is given by:

`image`

option 3

Answer 2

since the angle bcd = 90 degrees bad is the same so if BC = 6 than AC is double that so 12 units