In the figure, Po is parallel to RS. The length of F is 4 cm; the length of PT is 16 cm, the length of O7 is 20 cm. What is the length of SQ?
Question:
                    In the figure, Po is parallel to RS. The length of F is 4 cm; the length of PT is 16 cm, the length of O7 is 20 cm. What is the length of SQ?
                
            Answer:
                    16 cm