shana found a 27 cm by 18 cm copyof the czech flag on the internet . she wanted to include a smaller copy of the flag in a a report she was writing for english class. wich choice shows a flag with dimensions that are 2/3 the size of the dimensions of the flag shana found on the internet? A. 27cm by 40.5cm. B.18cm by 18cm C. 12cm by 18cm 12cm by 27cm