Add all of the interior angles to 1260. Then you simplify for x. After that you plug in what you found for X in the E expression.
Answer:
the answer is 15/14 when you add them
In the middle:
x-coordinate= {7-(-1)}/2= 4
y-coordinate= (8-2)/2= 3
So centre is (4,3)
Answer:
the answer is s=5/4 minus 1/16
hope this helps :D
$5125.78. For simple questions like this you can search them on google and find answers very quickly so you dont waste points btw.
