Try it is a great site that you can plug problems in to for the answers! I hope this is helpful!!
Second question:
sum of all the interior angle 180*(8-2)=1080 degree
sum of one interior angle 1080/8=135 degree
You can use prime factorization to figure this out.
<span>
4 x 14 = 56
4 + (14) = 18
Final answer: </span>4 and 14
