Respuesta :

First, let's picture the problem

Let's label the angle D as x

Remember that the sum of angles in a quadrilateral is 360

[tex]\begin{gathered} 72^0+94^0+113^0+x=360^{\square} \\ x=81^0 \\ m\angle D=81^0 \end{gathered}[/tex]

Ver imagen PallasG223843

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