If a parallelogram is inscribed in a circle, it must be a rectangle.
Check the final answer first, then review the worked steps.
Problem
If a parallelogram is inscribed in a circle, it must be a rectangle.
Step-by-step solution
A parallelogram inscribed in a circle has opposite angles that are both congruent and supplementary. This implies each angle is 90 degrees, making it a rectangle.
Answer
True