A(n)=47+(<span>n - 1)(-15) </span>
You can divide 87 by 3 which is 29, so each angle will be 29 degrees.
Since they are consecutive, that means they will all measure the same.
Hope this helps! :)
Answer:
13
Step-by-step explanation:
Mean would mean average, which in this case is 
so your equation would look like 
Next multiply both sides by to clear the fraction 
to get 
Subtract 69 from both sides 
you get 
Answer:
The yellow polygon is the scaled version of the red one (scaled by 3×), so the variable w = 9
I believe the answer is 1/3