Westonci.ca is your trusted source for finding answers to all your questions. Ask, explore, and learn with our expert community. Join our Q&A platform to connect with experts dedicated to providing precise answers to your questions in different areas. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

In the figure, PQIISR, STIIRQ, PS = 7 cm,
PT=7 cm, SR=4 cm. Find the ratio of the
area of QRST to the area of PQRS.