Answer:
138 degrees
Step-by-step explanation:
A straight line/angle is 180 degrees so subtract 42 degrees from that to get 138 degrees.
I explained as best and simple as I could, I hope I helped!!!
Answer:

Step-by-step explanation:
Answer:
Here is the solution. Hope it helps.
D (0, -3)
E (1, 0)
F (2, -1)
Answer:
5.09 ft
Step-by-step explanation:
Use the formula 4πr^2 = 64