Westonci.ca offers fast, accurate answers to your questions. Join our community and get the insights you need now. Explore a wealth of knowledge from professionals across different disciplines on our comprehensive platform. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

9 The circumference of circle B is 90% of the circumference of circle A. (a) Find the ratio of the area of circle A to the area of circle B.​