hi, i'm having trouble with another question: 2. A block of weight W is attached to the ceiling by a cord which makes an angle θ = 30° to the vertical, and to the wall by a horizontal cord. If the tension in the cord attached to the ceiling is 20 N, the tension in the horizontal cord will be A) 20 N B) 17 N C) 12 N D) 10 N I keep getting to wrong answer. I'm really bad with angles and stuff, so I'm not sure how to solve this. Any help would be appreciated.