The dimensions of the rectangle would be 15 and 2 because 2 is the greatest common factor of 30 and 34. If you multiplied 15 and 2, you would get 30. And if you added 15+15+2+2, your answer would be 34. They match the actual area and perimeter as shown in the question. Hope you found this helpful!
I never learn this my best gess is Hindu
I believe that it was with the help of B. The Mongols that the Qing dynasty was able to come into power
