I'm guessing you mean in Photoshop so you would
1. click the ruler tool
2. drag it along the line you know is straight
3. on the options bar, click straighten
hope this helps :)
Answer:
Slanted or curved lines
Explanation:
I would pick that since it would be like this:
(Sorry, I’m bad at drawing)
Answer:
im confused is this even a question?
Explanation: