Answer:
∠H= 109º
∠F = 71º
∠G = 109º
Explanation:
∠I = 71º
Interior opposite angles of parallel lines sums up to 180º.
∠H = 180 - 71 = 109º
Line IH is equal to Line FG.
∠F = ∠I
∠G = ∠H
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