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Prove that the following vertices form a parallelogram.
 
\(A = (\)14, 16\()\), \(B = (\)34, 16\()\), \(C = (\)76, 32\()\) and \(D = (\)56, 32\()\).
 
Figure 13.png
 
Mid-point of diagonal \(AC\): \((\), \()\)
 
Mid-point of diagonal \(BD\): \((\), \()\)