Answer:
your answer should be 200%
All you have to do is add those two numbers given and subtract by 180. all of the angles shall add up to 180 if not then you dic something wrong
The correct answer is 300
We know that 
.
Solve using cross multiplication of the last two fractions. I will use 
to represent the width of the rectangle. 
Multiply. 
Divide both sides of the equation by 
. 
I think the answer is 17 because the pattern adds 4 then takes away 1 so 14-1=13 13+4=17
