where can I find L1 and L4 ? for missing alternate angles

Where Can I Find L1 And L4 For Missing Alternate Angles class=

Answer :

Answer:

< 1 = 113.1 degrees

< 4 = 66.9 degrees

Explanation:

Alternate interior angles are equal

< 1 = < 3 = 113.1 degrees

< 2 = < 4 = 66.9 degrees