PLEASE HELP
Line a is parallel to line b. If the
measure of 42 is 78°, what is the
measure of 48?
78=21
34
65
78
→ а
b
![PLEASE HELP Line a is parallel to line b If the measure of 42 is 78 what is the measure of 48 7821 34 65 78 а b class=](https://us-static.z-dn.net/files/da1/462adc39994791da1c8d5f986fcf2342.png)