Final answer:
To determine the measure of ∠KLJ in a parallelogram, one must use the properties of parallelograms. Without additional information, the measure of ∠KLJ cannot be determined from the question as it is presented.
Step-by-step explanation:
The question concerns the measure of the angle in a parallelogram, specifically ∠KLJ. To answer this, we need to recognize a fundamental property of parallelograms, which states that opposite angles are congruent (they have the same measure). If we are given any additional information such as the measure of an opposite angle or sides, we could apply this rule directly or use other parallelogram properties such as consecutive angles being supplementary (adding up to 180 degrees) to find the desired angle. However, the question as presented does not provide enough information to determine the measure of ∠KLJ. In general, further details are needed, like the measures of other angles or relationships between the sides, to calculate the measure of ∠KLJ.