The image shows a black and white drawing of three different types of arches, each with measurements and text written on it.
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The image shows a black and white drawing of three different types of arches, each with measurements and text written on it. The arches are arranged in a triangular formation, with the largest arch in the center and two smaller arches on either side. The measurements are written in a neat and organized manner, and the text provides further information about the arches.