Answer:
5
Step-by-step explanation:
Angle sum property formula
(n-2)180 (where n is the number of sides)
=>(n-2)180=540
=>n-2=540/180
=>n-2=3
=>n=3+2
=>n=5
Answer: The answer is y=9 i did the math twice to make sure.
you have 9 yes and 3 no. so 3/9=1/3=.333
shade 10 boxes for 50%
50%=50/100=1/2
1/2 of 20=10
:. To shade 50% of the boxes, 10 boxes need to be shaded
(-4+(-6))+(6i-2i)
(-10+4i)
