It would be 9 sides, since you would do 360/40=9, which means there are 9 sides and this would be considered a nonagon
Answer:
5.4 cm
Step-by-step explanation:
Hope it helps you in your learning process
Answer:
x = 1.5
Step-by-step explanation:
To get the vertex of a quadratic equation you can use the formula
x = -b/2a
where f(x) = ax² + bx + c
So you would get -12/2(-4)
-12/-8
x = 1.5
Then substitue x in the equation to find y. I won't be doing that here