Answer:
70.5º
Step-by-step explanation:
cosB = adj/hyp
cosB = 16/48
cosB = 1/3
B = arccos 1/3
Use calculator
∠B = 70.5º
23/8
0.6
the car moves at a speed of 3/5*65 miles per hour
that is 39 miles per hour
but this has nothing to do with the question as the only fraction is 3/5
Answer:look it up