Physics

A room has dimensions 3m(height) X 3.7m X 4.3m. A fly starting at one corner flies arougn, ending up at the diagonally opposite corner.

If the fly walks rather than flies what is the lenght of the shortest path it can take?

the book says that the answer is 7.96m

Redraw the box, moving the walls to the same flat surface (like you were making the box from construction paper). Now draw a line from the right most corner through to bottom corner on the third panel.

distance^2= (3^3 + ( 3.7+4.3)^2) I don't get the text answer.

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