Question

draw a $160^{\circ}$ angle using the ruler and protractor

Explanation:

Step1: Draw initial ray

Use ruler to draw a straight ray $\overrightarrow{OA}$.

Step2: Align protractor

Place protractor center at $O$, align base with $\overrightarrow{OA}$.

Step3: Mark 160° point

Find $160^\circ$ mark on protractor, mark point $B$.

Step4: Draw second ray

Remove protractor, use ruler to draw $\overrightarrow{OB}$.

Answer:

A 160° angle ∠AOB is constructed as described.