Question

Please help me solve #14 #15 #16 please try to solve #17 #18 #19 #20 the next problem for #20 and #21 please and thx!!

Answer 1

14) 180 degrees
15) 360 degrees
16) 39+31 - 180 = x = 110
The angles of all the triangles add up to 180, NO MATTER WHAT
and the all the quads angles add up to 360 NO MATTER WHAT. 
Sorry I couldn't do more I was in a hurry and wanted to help some people before I went. 
And can I have a caramel?