What is the value of a in the figure above

- What is the value of x in the figure above
- In the figure above what is the value of x+y
- In the figure above what is the value of a b
- In the figure above what is the value of a b c
- In the figure above what is the value of tan a
- In the figure above what is the value of sin a cos a
- In the figure above mnop is a parallelogram what is the value of x