Answer:
Step-by-step explanation:
Remember the entire circle has 360 degree. You have everything you need to find angle b.
Your total circle at 360, the measurement 300 and 37.
Multiplying 3/7 by the reciprocal of -3/14,

Hope it helps!!
Answer:
Using the percentage difference formula you can find the percentage decrease.
SO its
100(new-old/new)
So we solve
10-6=4
4/10= 2/5
2/5*100=200/5
40
40 percent decrease