http://slideplayer.com/4531964/15/images/6/Consecutive%2BAngles%2BConsecutive%2BInterior%2BAngles%253A%2BTwo%2Bangles%2Bthat%2Blie%2Bbetween%2Bthe%2Blines%252C%2Bboth%2Bon%2Bthe%2Bsame%2Bside%2Bof%2Bthe%2Btransversal..jpg