Question

Sum of the adjacent angles of a parallelogram is equal to

• A. ${60}^{\circ }$
• B. ${90}^{\circ }$
• C. ${150}^{\circ }$
• D. ${180}^{\circ }$

Answer 1

The correct option is D ${180}^{\circ }$

The measures of the adjacent angles of a parallelogram add up to be 180 degrees, or they are supplementary.

So option D is the correct answer