Question

1. sketch the reflection of △lmn across line n.

Explanation:

Step1: Draw perpendiculars from vertices

Draw perpendicular lines from points L, M, and N to line n.

Step2: Measure distances

Measure the distance from each vertex (L, M, N) to line n along the perpendiculars.

Step3: Locate reflected points

On the other - side of line n, mark points L', M', N' at the same distance from line n as L, M, N respectively along the perpendiculars.

Step4: Connect reflected points

Connect points L', M', and N' to form the reflected triangle $\triangle L'M'N'$.

Answer:

Sketch the reflected triangle $\triangle L'M'N'$ with vertices L', M', N' located as described above.