Answer: 12 sides
Step-by-step explanation:
The sum of the interior angles of a polygon is 180(n-2), where n is the number of sides

Answer:
9
Step-by-step explanation:
if z=8 then z^2 would be 64, which is not equal to 80
iz z=9 then z^2 would be 81, which is closer to 80 than 64
therefore, 9 is the whole number than z would be closest to
Answer:
answer is 10
Step-by-step explanation:
Is an irrational number because rational numbers are able to be expressed as a quotient of two integers. 22/7 s not an accurate but an approximate expression of pi so it doesn't work. Also, pi is a decimal that goes on without end but doesn't repeat so it is irrational.