The person on top is correct
By the law of cosines, the angle

satisfies

which reduces to

which converts to approximately 77 degrees (this can be done my multiplying by 180 and dividing by pi).
Answer:
enlargement and the scale factor is 6.4 feet per inch
Step-by-step explanation:
Answer
4.667
Step by step explanation
1.1 Solve 14x-3y+2=0