{"book":"adl0946","page":248,"text":"۲۴۱\nآن را رسم کنید .\n۳۷ - محور تناظر هر قطعه خط ا ج سطح را بد و قسمت می کند یکی آنکه\nشامل ا و دیگری آنکه شامل ج است حال مقایسه کنید\n۳۸ فواصل هر نقطه ازین دو سطح را تا دو نقطه ا و ج .\nدر دو مثلث دو ضلع نظیر بنظیر با هم مساویند ولی دو زاویهٔ\nحادثه بین آنها با هم مساوی نیستند دو ضلع سیم را با هم مقایسه\nکنید .\n۳۹- مثلث متساوی الاضلاع ا ج د مفروض است در روی\nسه ضلع آن طول دل = ج ن = ا م را جدا می کنیم حال\nشکل مثلث م ن ل را تحقیق کنید .\n۴۰ خطی مانند م ل و دو نقطه مانند ا و د در دو طرف آن\nمفروض است نقطه مانند ج روی آن پیدا کنید که\nمجموع د ج + ج ا تا حد امکان کوچک تر باشد .\n۴۱- مانند مسئله سابق فقط دو نقطه ا و ج در یک طرف خط\nم ل هستند (بحالت سابق رجوع کنید)","chars":656,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00248.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/adl0946/248","canvas":"https://afghanpress.org/iiif/adl0946/canvas/248","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."}}