Looking for trustworthy answers? Westonci.ca is the ultimate Q&A platform where experts share their knowledge on various topics. Connect with a community of experts ready to help you find accurate solutions to your questions quickly and efficiently. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals.

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.