{"book":"adl0946","page":63,"text":"۵۶\nمرکز و آن نقطه شعاع دائره است.\nدائره را بحرف مرکز آن میخوانیم مثلا در سر ۶۳ میگوئیم\nدائره ۰۸\n۷۵ - داخل و خارج یک دائره - سر ۶۳ بخوبی مطالب\nذیل را نمایش میدهد\nاولا اگر نقطه مانند ج در داخل دائره باشد\nفاصله اش تا مرکز کوچکتر است از شعاع دائره.\nبنا بر این ج ه کوچک تر است از د ه.\nثانیاً اگر نقطه مانند (م) در خارج دائره واقع\nباشد فاصله اش تا مرکز بزرگتر است از شعاع\nدائره -\nبنا بر این م ه بزرگتر است از د ه.\n۷۶ - قوس دائره - قسمتی از دائره را که بین دو نقطه\nواقع شده باشد یک قوس می نامند بنا بر این قوس در دائره\nهمان معنی را دارد که قطعه خط در خط مستقیم در سر ۶۴ قوس","chars":566,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00063.jpg","first_page":1,"last_page":327,"title":"Handasah-ʼi musaṭṭaḥah barā-yi ṣinf-i haftum-i makātib-i rushdīyah, bi-qarār-i prūghram-i Vizārat-i Jalīlah-ʼi Muʻārif-i Afghānistān هندسۀ مسطحه :هندسۀ مسطحه","permalink":"https://afghanpress.org/book/adl0946/63","canvas":"https://afghanpress.org/iiif/adl0946/canvas/63","source":"https://afghanistandl.nyu.edu/books/adl0946/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0946_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."}}