A poster for the homecoming dance points to the auditorium using the shape of an isosceles triangle on one end and a rectangle with semicircles removed on the other, as seen in the figure. A border of glitter will be glued around the poster. Determine how many inches of the glitter border are needed for the poster. Give your answer to at least two decimal places. in. 17 in. 12.3 in. 1 15 in.

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