If the length of CA is 9 units, the length of DE is ___ units and <CAB is

Question

I need some help here. 

The image is    https://cdn.ple.platoweb.com/EdAssets/bb78dd3d111945d6880981623f3980d1?ts=635370146875630000

for the length of DE I said 180 because it's a line and a line equals 180. I could be wrong. As for CAB I don't know.

Can someone help me out? Even for DE?

Answer 1

 

I agree with the earlier comment ... not enough info is provided to solve the problem.

 

I am assuming segment DE is a triangle mid-segment that connects the midpoint of the 2 sides.  A Triangles mid-segment is parallel to the third side, and is half the length of the third side  If CA is 9, then DE is 4.5 ... The diagram looks like an isosceles triangle.  It it is given (or can be concluded from other info given in the problem, but not supplied here), then angle CAB is 45 degrees.