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.)

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רישום חופשי
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apec
Perimeter of Rectangle
functionartculture

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Pythagoras Proof
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Modul5_VinaLusiana_SMAI NFBS-LEMBANG
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