Question

PLEASEEE HELP ASAP I REALLY NEED THIS

Answer 1

`\boxed{ \bar{XY} \: \perp \: l}`

Explanation:

The small square like symbol in the junction of line l and XY line segment means they are perpendicular to each other.

The maths symbol
`\perp` symbolises two lines or line segment are perpendicular to each other.