I nailed it Mr. Nelson #11

Author:nelsone

The altitudes of any triangle meet at a single point called the ORTHOCENTER. (An altitude is the perpendicular line segment from a vertex of a triangle to the opposite side of the vertex.)

New Resources

MC #2
The Red Chair
Linear Approximations
Transformaciones usando coordenadas
Ringed Polyhedra

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Triangle Divided
UpisanaLopta
count_basket2
Triangle Angle Bisector
right trinagle
Construction Project Practice

Discover Topics

Normal Distribution
Quadrilaterals
Standard Deviation
Pie Chart or Circle Chart
Logarithm