Please help with problems 11 and 12.
11) x and y add with the 90 angle to form a straight line, so x+ y = 90
AND they are in a ratio of 3:2 so x is 3/(3+2) * 90 and y is 2/(3+2) *90
12) ALL of the angles 4z and 3y and 6x are the same value : 108
4z = 108 3y = 108 6x = 108
+36916 
