A vertical photograph of a chimney was taken from an elevation of 500 m above M.S.L, The elevation of the base of the chimney was 250 m. If the relief displacement of the chimney was 51.4 mm and the radial distance of the image of the top of the chim ?->(Show Answer!)

1. A vertical photograph of a chimney was taken from an elevation of 500 m above M.S.L, The elevation of the base of the chimney was 250 m. If the relief displacement of the chimney was 51.4 mm and the radial distance of the image of the top of the chimney was 110 mm, the height of the chimney is

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