Perpendicular Lines by agilitygordons
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This example demonstrates the properties of perpendicular lines. It involves the concept of perpendicular lines in geometry, constructed using GeoGebra commands such as If and objects.
GeoGebra Commands & Parameters
If(m ≟ m_1, A) → BIf(m < m_1, C) → DIf(m > m_1, E) → FIf(m_1 ≟ (-1) / m^(2) * m, T3, T4) → T5