Geometry

# Triangles - Orthocenter

The orthocenter is the intersection of which 3 lines in a triangle?

Where is the orthocenter of an obtuse triangle?

Where is the orthocenter of a right triangle?

Does every triangle have its orthocenter?

Point $$H$$ is the orthocenter of $$\triangle{ABC}$$. If $$\angle{A}=59^\circ$$, $$\angle{B}=60^\circ$$, and $$\angle{C}=61^\circ$$, what is the measure of $$\angle{BHD}$$?

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