solve for x on a parallelogram, help?

Question

One side is x + 5 and another side is 9. How do I solve this?

Answer 1

Are the two sides opposing sides? Opposing sides of a parallelogram are equal. You can use this fact to find the value of x.

Answer 2

Remember opposing side of a parallelogram is equal.

x+5+x+5+9+9=360°

The angles of any four sided shape is 360°

2x+10+18=360°

2x+28=360°

-28 -28

__________

2x=332

__. __

2. 2

x=166°

The solution should turn out to be 166 degrees

ANS: 166°