Question

find a positive angle less than 360° that is coterminal with the given angle.
-80°
a positive angle less than 360° that is coterminal with -80° is □°.

Explanation:

Step1: Add 360° to the angle

$-80^\circ + 360^\circ = 280^\circ$

Step2: Check the result

$280^\circ$ is positive and less than $360^\circ$.

Answer:

280