An orthocenter is the intersection of three <u>Altitudes in a triangle</u>
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Explanation:
Cos milky said it.
80x+30
-30x-30
=50x
You subtract 30 from each side
6 is the answer I believe
Answer: b.not enough info
Step-by-step explanation:
Corresponding angles of congruent triangles are congruent, so 
However, we don't have all 3 interior angles of either triangle, so we cannot conclude anything.