Question

An orthocenter is the intersection of three

angle bisectors in a triangle.
O altitudes in a triangle.
medians in a triangle.
O perpendicular bisectors in a triangle.

Answer 1

I believe this is the answer:

altitudes in a triangle.

Explanation:

Answer 2

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Answer:

altitudes in a triangle

Explanation:

The different intersection points are ...

angle bisectors -- incenter, center of inscribed circle

altitudes -- orthocenter

medians -- centroid, center of mass

perpendicular bisectors -- circumcenter, center of circumscribed circle