I nailed it Mr. Nelson #11

Autor: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.)

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Right Triangle Inscribed in a Semicircle
Basic and Compound Inequality Illustrator
Slope Illustrator (2)
Congruent Sides & Angles in △s: Exploration
Isosceles Right Triangle

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Menelaus Theorem (Transversal)
Graph of a line
hneal&Eve
Pentagon Sum Theorem
Analog Clock Templates

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