Arectangular state flag has dimensions 7 feet by 5 1/2 feet. how long is its diagonal? round your answer to the nearest tenth if necessary.

The formula for a diagonal of a rectangle is √w^2+h^2, with w and h being the width and height. Plug in your numbers to get √7^2+5.5^2. Simplify that into √49+30.25, then to √79.25. Use your calculator to get 8.9022. The diagonal is 8.9 feet.

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