Write the measures of other three angles of the given parallelogram.

 

Let the sum of all the angles of the given parallelogram is $x°$. Find the value of $x$.

What is the sum of angles on the left side of the figure?

What is the sum of angles on the right side of the figure?

What angle does stick make with side $BC$?

What angle does stick make with side $AC$?

Let the value of $\angle C$ in the triangle be $x°$. Find the value of $x$.

What is the relation between angles marked red in this parallelogram?

What is the relation between angles marked green in this parallelogram?