Paralelogram – razlika između verzija

|<math>h_a \, = \, b \cdot \sin\alpha = b \cdot \sin\beta</math><br /><math>h_b \, = \, a \cdot \sin\alpha = a \cdot \sin\beta</math>

|-

|<math>e = \sqrt{ a^2+d^2+2 \cdot a \cdot d \cdot \cos \alpha }</math><br /><math>f = \sqrt{ a^2+d^2-2 \cdot a \cdot d \cdot \cos \alpha }</math>

|-

|<math>S = ah_a = bh_b = \left| \left|\,\overrightarrow{AB} \, \times \, \overrightarrow{AD}\,\right| \right|</math><br /><math>S \, = \, a \cdot b \cdot \sin\alpha = a \cdot b \cdot \sin\beta = \frac{1}{2} \cdot e \cdot f \cdot \sin \theta</math>

|-

|<math>e^2+f^2 = 2\left(a^2+b^2\right)</math>

|-