Mathematics, 02.03.2021 17:20, EllaSue

Whitney is decorating a rectangular ballroom ceiling with garland. Beginning in a corner, Whitney strings garland along the length of the ceiling, a distance of 42 meters. Next, Whitney strings garland along the width of the ceiling, a distance of 40 meters. Then Whitney strings the garland straight back to the original corner. At this point, how much garland has Whitney used?

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Whitney is decorating a rectangular ballroom ceiling with garland. Beginning in a corner, Whitney st...