Answer:
40 degrees
Explanation:
Since a triangle equals 180 degrees and since ∠h+ ∠f = 140 degrees
140-180= 40
x = 40
The angles add to 180 degrees
30+110 +x = 180
Combine like terms
140 +x = 180
Subtract 140 from each side
140+x-140 =180-140
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