问题详情

Television screen sizes are the diagonal length of the rectangular screen. Hector recently changed fromwatching a television with a 13-inch screen to a televi-sion with a similar 19-inch screen. If a boxcarappeared 8inches long on the 13-inch screen, howlong, to the nearest inch, will it appear on the 19-inchscreen？
A.10
B.12
C.14
D.16
E.18请帮忙给出正确答案和分析，谢谢！