{"book":"adl0131","page":59,"text":"کتاب ۴۸ مساحت\n\nبموجب دفعه (۶۰)\n\nمربع ۴۰۸ برابر حاصل ضرب مجموعه و فرق وتر و ضلع دیگر است پس\nاگر مربع ۴۰۸ را بر ۵۷۸ تقسیم کنیم خارج قسمت فرق وتر و ضلع دیگر خواها\nپس از نقسیم عمل معلوم میشود که فرق و ترو ضلع دیگر ۲۸۸ است پس خلاصه\nکه مجموعه‌و تر ضلع دیگر ۵۷۸ و فرق وتر و ضلع دیگر ۲۸۸ است پس\nهر دوئی عددها را جمع کرده بر ۲ تقسیم کرده ۴۳۳ وتر مطلوب جواب است\nواز ۵۷۸ - ۴۳۳ منها کرده ۱۴۵ ضلع مطلوب جواب است.\n\nوتر ۴۳۳ مجموعه وتر و ضلع دیگر ۵۷۸ فت ۴۰۸ م فت\nضلع ۱۴۵ جواب مطلوب است.\n\n(۳) هر یک ضلع مثلث متساوی الاضلاع ۱۰ فٹ است پس ارتفاع\nمثلث مذکور را دریافت کنید.\n\nفرض کنید که الف ب ج مثلث مفروض است\nو ج د ارتفاع مطلوب مثلث مذکور است\n\nج د عمود","chars":632,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00059.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/59","canvas":"https://afghanpress.org/iiif/adl0131/canvas/59","source":"https://afghanistandl.nyu.edu/books/adl0131/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0131_download.pdf","rights":{"image":{"statement":"Public domain. NYU states: \"All works presented on this website are, unless otherwise indicated, in the public domain. The images available on this website may be freely reproduced, distributed and transmitted by anyone for any purpose, commercial or non-commercial.\"","uri":"http://rightsstatements.org/vocab/NoC-US/1.0/","holder":"New York University Libraries","source":"https://afghanistandl.nyu.edu/about.html","delivery":"Images are served from a copy mirrored by this project, not from NYU's servers, under the reproduction terms above.","endorsement":"This is an independent project. It is not affiliated with, endorsed by, or reviewed by New York University."},"text":{"statement":"Machine-generated transcription, dedicated to the public domain under CC0 1.0. No warranty of accuracy: see the provenance block on every page.","uri":"https://creativecommons.org/publicdomain/zero/1.0/","holder":"Steps Ventures"}},"provenance":{"text_produced_by":"gemini-3.1-pro-preview","thinking_level":"low","read_completed":"2026-08-09","per_page_confidence":null,"per_page_confidence_note":"Not recorded during the corpus run. No calibrated per-page score exists, and none is estimated here.","human_reviewed":false,"accuracy_context":"Roughly two thirds of characters agree with a modern printed edition of the same text. Much of the disagreement is editorial, not misreading. Treat the transcription as a finding aid and read the page image before quoting.","primary_source":"The page image. The text is an index into it."}}