Answer:
40 degrees
Step-by-step explanation:
Look at the attachment
Answer:
C. 
Step-by-step explanation:
Cos A = Adj/Hyp
Reference angle = <A
Adjacent side = 8 ft
Hypotenuse = √(8² + 5²) = √89 (pythagorean theorem)
Thus:

Rationalize


<u>Rectangle</u>
3 * 8 = 24
<u>Triangle</u>
4 * 3 = 12
12 / 2 = 6
Now add those two areas together, and you get 30