I Need Help Finding Out How To Solve These Geometry Problems Please Show How You Got Answer In Detail 1 )

Question

I need help finding out how to solve these geometry problems, please show how you got answer in detail.

1.)

What divides each median into two sections at a 2:1 ratio? P is the centroid of AXYZ. If XU = 57, what is PU?
11.
W
U
P
12. In AABC shown below, if BG = 38 what is DG?
A
E
F
B
In the figure below, AD = 5 and BC = 4.5. Compare m_ABD and m_BDC.
13.
B
C
A
D

Math