Answer:
Step-by-step explanation:
Oh my god I found cody

Let's use section formula ~


And since mid point divides a line segment Into two equal parts, m : n = 1 : 1
so, take m = n = 1



Now, let's find y - coordinate ~



So, coordinates of midpoint is ~

Answer: 
Step-by-step explanation:
Given
The Sum of the seven interior angles of an octagon is 
for a Polygon, the sum of the interior angles is given by 
for octagon, n=8
The Sum of interior angles is 
Suppose the eighth angle be 

The
angle is 
Answer:
H
Step-by-step explanation:
there is 10 parts to the shape so your denominator would be 10 then if you count the shaded area there's 8, so 8 would be your numerator
8/10 = 0.8 or 80%