In parallelogram WXYZ, the interior angle of X measures 35 degrees and the interior angle of Z also measures 35 degrees. What are the interior angle measures of W and Y?

The interior angle of W measures ____ degrees and the interior angle of Y measures ____ degrees,

1 answer

In a parallelogram, opposite angles are equal and consecutive angles are supplementary. Since angles X and Z both measure 35 degrees, angles W and Y will be equal to each other and supplementary to angles X and Z.

  1. Knowing the angle at X: \[ \text{Angle W} + \text{Angle X} = 180^\circ \] \[ \text{Angle W} + 35^\circ = 180^\circ \] \[ \text{Angle W} = 180^\circ - 35^\circ = 145^\circ \]

  2. Since angle Y is opposite angle W, we have: \[ \text{Angle Y} = \text{Angle W} = 145^\circ \]

Therefore, the interior angle of W measures 145 degrees and the interior angle of Y measures 145 degrees.