The answer is 15 I’m pretty sure
11*13=143
11+13=24
The sum of the two consecutive odd integers is 24
19/38 = 1/2 (divided top and bottom by 19)
so
34 X 19/38
= 34 X 1/2
= 34/2
= 17/1
Answer
17/1 (or 17)
A quadrilateral always has interior angles that add up to 360 degrees.