can you help pls

[runic drum]

1. Wait patiently for a helper to come along.
2. Once someone helps you, say thank you and close the thread with:

+close

3. Feel free to nominate the person for helper of the week in #helper-nominations
4. Do not ping the mods, unless someone is breaking the rules.
5. If you're happy with the help you got here, and the server overall, you can contribute financially as well: https://www.patreon.com/mathsdiscord

[glossy yacht]

@simple knoll do you still need help?

[simple knoll]

no thank you

[vapid elbow]

the lines are parallel, meaning angles ABC and DCB are co-interoir angles

co-interior angles sum to 180 degrees

angle B = 180 - 60

= 120 degrees