Question

Television screen size are the diagonal lenghth of the rectanglar screen. Hector recenty changed from watching a television with 13-inch screen to similar 19-inch screen. If a boxcar appeared 8 inches long on 13-inch screen, how long, to the nearest inch, will it appear on the 19-inch screen?

Answer 1

x/8 = 19/13

x = (8*19)/13

11.69 inches long