Question

figure lmno is a parallelogram.
angles l and m are supplementary. what is the sum of their measures?
the sum of the measures of angles l and m is
°.

Explanation:

Step1: Define supplementary angles

By definition, supplementary angles are two angles whose measures add up to $180^\circ$.

Step2: Apply definition to angles L and M

Since angles L and M are supplementary, their sum equals the value defined for supplementary angle pairs.

Answer:

$180$