Answer: either of two angles whose sum is 180°.
Step-by-step explanation:
Answer:
True!
Step-by-step explanation:
Y=6
Reason:
(x,y) -> if 1 is where x is then x=1
-1+7=6
Answer:
180=2x+ 24( angles opposite to equal sides)
156/2=x
x=78
Step-by-step explanation:
If the population was 40,000 at the beginning of 2009, at the end of 2009 it has increased by 10% and became 44,000.
By the same way, at the end of 2010, it became

At the end of 2011, the population was