Answer:
11.) a
12.) b
13.) c
14.) b
15.) a
Step-by-step explanation:
11.) a) because the two <4 and <9 are alternate exterior angles and 4 is on line d and 9 is on line e, so it would be d || e.
12.) b) because <20 and <21 are consecutive interior and <20 is on line and <21 is on line b, so it would be a || b.
13.) c) They're alternate interior and <10 is on line b and <23 is on line c, so it would be b || c
14.) b) They're alternate exterior and <1 is on line d and <10 is on line e, so d || e
15.) a) They're corresponding angles and <13 is on line a and <17 is on line c, so a || c
HOPE THIS HELPS YA!!
