Median and Altitude of a Triangle

The figure is an example of a(n) ...

In ΔXYZ, YB, XC, and ZA are medians.

If YC= 10, then ZC = _______

In ΔXYZ, YB, XC, and ZA are medians, and YC = 15.

If XP = 8, then PC = _______

Name the segment/line/ray shown in the picture.

X is the centroid of the triangle. If ZX = 3, find AZ.

In $$\angle PON$$  , OP is the altitude of MN. If  is 4x - 13 and  $$\angle ONP$$  is 2x-5, find the m $$\angle PON$$  

GT is the median. If FT is 3x + 8 and TE is 7x - 16, find the value of x

The INCENTER is the intersection of which special segments?

Which types of centers are ALWAYS INSIDE the triangle? (Select all that apply)

The circumcenter and orthocenter can be outside the triangle if the triangle is ...