Will someone please help me provide reasons for proof?

Provide the reasons for the proof:

Given: Trapezoid RIAG with RI = RG = GA m

Prove:

Answer:

Statement a. RG = GA Reason a. Given

b. Trapezoid RIAG b. Given

c. RG || IA c.

d. m

e. m

f. m

g.

h. m

i. TGR = NGA i.

j.

Please help me with this!

link to picture:

http://assets.openstudy.com/updates/attachments/54b5a6cbe4b04eed2e55b6d1-pandagirl811-1421191441588-dgdgdh.png