geometry
posted by Timothy on .
Find, to the nearest tenth of a centimeter, the length of a diagonal of a square if the measure of one side is 8.0 centimeters.

See this post. Only the side length is different. Same method is used.
http://www.jiskha.com/display.cgi?id=1298927532 
reouignerg

find to the nearest tenth of a centimeter the length of a diagonal of a square if the measure of one side is 8.0 centimeters