Answer:
2.) 12.5
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
cos 28 = adjacent side/ hypotenuse
cos 28 = 11 /x
Multiply each side by x.
x cos 28 = 11
Divide each side by cos 28.
x = 11/ cos 28
x=12.45827
Round to the nearest tenth.
x = 12.5