Question

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Answer 1

So..
∠F + ∠G + ∠H =180
37 + 73 +70 = 180
∠H= 180 - 110
∠H = 70.

I found ∠H. How do I find the other numbered angles?

Answer 2

Since R, J and K are the midpoints of FG, GH and FH respectively, by the midpoint theorem, RJ is parallel to FH, RK is parallel to GH and JK is parallel to FG.
By the theorem of corresponding angles,
∠1 = ∠GFH = 37
∠2 = 180 - ∠1 - ∠FRK = 190 - 37 - 73 = 70
∠4 = ∠GHF = 70
∠6 = ∠GFH = 37
∠5 = 180 - ∠4 - ∠6 = 180 - 70 - 37 = 73
∠9 = ∠GHF = 70
∠8 = 180 - ∠9 - ∠KJH = 180 - 70 - 73 = 37

Answer 3

omg. WHY SO SMART. THANK YOU SO MUCH