2 hours she earns €16
3 hours she earns €24
Answer:
13.3650978628
Step-by-step explanation:
Angle A=180-(Angle B+C)=180-117=63
Here,
b=BC, p=AC & AB=12
Using the relation of cos,
cosx=b/h
cos27=BC/15
15cos27=BC
Using a calculator,
BC=13.3650978628
12 to 16 because all ratios are equivalent
The answer is x2 + 2xy + y2.