{"book":"adl0946","page":182,"text":"۱۷۵\nمثلاً در سره ۱۵ د یک\nو تر از دائره ه است و مقابل\nآن دو قوس می باشند که بدو\nنقطه ا و د ختم شده اند در\nاین حال می‌گویند که قوس\nاو د موتر بدو و تر است.\nدر میان دو قوس که موتر\nسره ۱۵\nبیک و ترند همواره ما از قوسی که کوچک تر از نیم دائره باشد صحبت\nمی داریم که اشتباهی واقع نشود.\nهر گاه اتفاقاً محتاج شدیم که قوس بزرگتر را بخوانیم آن\nرا جداگانه بطور واضح بیان می‌کنیم.\n۲۱۵- تبصرۀ اصلی- حال مطالب راجعۀ بقسی و اوتار\nواقعۀ در یک دائره را بیان می‌کنیم و چون دو دائره مساوی\nهمواره قابل انطباق بر یک دیگرند پس آنچه در باب اوتار\nو قسی یک دائره بگوئیم در دوائر مساویه هم صدق میکند.","chars":571,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00182.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/adl0946/182","canvas":"https://afghanpress.org/iiif/adl0946/canvas/182","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."}}