Task #9: Constructing an Orthocenter
1. Construct three altitudes by using the perpendicular line tool and clicking a vertex and the opposite side.
2. Mark the point of concurrence of the altitudes by using the intersect tool.1. Construct three altitudes by using the perpendicular line tool and clicking a vertex and the opposite side.
2. Mark the point of concurrence of the altitudes by using the intersect tool.