{"book":"adl0946","page":243,"text":"۲۳۶\n\nبرو معلوم نیست ولی بدست آوردن آن را سابقاً\nخوانده ایم و فوراً تعیین می کنیم نقطه ج و ج نسبت\nبنقطه س متناظره اند برای تعیین آنکه آن دو نقطه\nروی ام می باشند یا نه باید دو حالت را ملاحظه کنیم بنابر\nآنکه نقطه س روی خود ام یا روی امتداد آن\nباشد.\nحالت اول - نقطه س روی خط ام است -\nدر این حالت زاویه ۱ حاده است (سر ۱۹۲ ) نقطه 7 که در روی\nس م است همیشه برای ۱ مناسب است و جواب ممکنی بما\nمیدهد.\nاگر س ج از س ۱ کوچک تر باشد نقطه ج هم بما جوابی\nمی دهد برای این کار کافی است که خط مائل د ج کوچک تر\nباشد از مایل د ۱ ( ۱۶۷ یا بعبارة اخرى\nضلع ۳ > ضلع ۱\nحال در جدول ذیل آنچه را گفتیم خلاصه می کنیم.","chars":587,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00243.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/adl0946/243","canvas":"https://afghanpress.org/iiif/adl0946/canvas/243","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."}}