If you use FOIL to multiply these two brackets, it will lead you what is exactly written (xa+xb+ya+yb)
so it is correct
A
Answer:
arc BC = 140
Step-by-step explanation:
Comment
Pick a point inside the circle. It should look like this point is the center of the circle. Call this point D. Draw lines CD and BD
CD makes a right angle with AC
BD makes a right angle with AB
The central angle formed by The given information above is
<BDC = 360 - 90 - 90 - 40
<BDC = 140.
Answer The arc measurement of BC = 140
Answer:
What statements?
Step-by-step explanation:
Answer:
-7 degrees
Step-by-step explanation:
Make sure to double check, but I think this is the answer.
