W = 10 ft; l = 50 ft is Correct
w = 90 ft; l = 30 ft is Correct
w = 50 ft; l = 40 ft is Correct
Answer:
4/5
Step-by-step explanation:
We know that the ratio is;

The angles in a triangle add up to give 180°
We can think of there being twelve "parts" that add up to 180°

So our ratio is;

So the smallest angle is 30°