Final answer:
The measure of ∠SPQ in the rhombus PQRS with diagonal PR drawn is 90 degrees.
Step-by-step explanation:
In a rhombus, the diagonals bisect each other at right angles, forming four congruent right triangles. The measure of each angle in a right triangle is 90 degrees. Therefore, the measure of ∠SPQ in the rhombus PQRS with diagonal PR drawn is 90 degrees.