B. Because it makes a linear line.
Answer:
x=20 and y=100
Step-by-step explanation:
Using vertical angles, angle 1 and 3 equal each other. Therefore, x=80/4. Then, by using the sum of angle 1 and 3, 160, and using vertical angles again, we can find angle 2, which is (360-160)/2.
Answer:
I think it's 12
Step-by-step explanation:
Hope it helps!
Answer:
X= 2.
X= -5.
Step-by-step explanation:
Hope it was helpful ;)
There isn't really a formula for higher numbers. you can use a calculator with the square root function