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

Building Triangles with Set Areas
Classifying Triangles
အခြေခံ data အခေါ်အဝေါ်များ
Slope Between 2 Points (Phase 2)
Building Trapezoids with Set Areas

Discover Resources

Approximating the Area Under a Curve
Indirect Measurement with Mario
Candy Cane
Nets of a Cube Worksheet
Midpoint (b)

Discover Topics

Fractions
Conic Sections
Straight Lines
Random Experiments
Circle