{"book":"adl0946","page":204,"text":"۱۹۷\n\nاین جواب مانند جواب ۲۲۳ خوب نیست زیرا که بمیل\nخود نمیتوانیم یک ضلع آن را انتخاب کنیم بلکه باید آن را از\nمیان خطوط موازی با اضلاع زاویه انتخاب نمائیم -\n۲۳۶- میخواهیم دوزاویه را که اضلاع شان\nبر هم دو بدو عمود شد مقایسه کنیم-\nفرض مے کنیم دوزاویه ا ه ح و ا´ ه´ ح دروست\nاست که ضلع ا´ ه´ بر ا ه و ح´ ه´ بر ح ه عمود است -\n(سر ۱۷۲)-\nزاویه ا´ ه´ ح´ را\nبدور نقطه ه´ بقدر ۹۰\nدوران مے دهیم اضلاع\nآن با اضلاع زاویه\nا ه ح موازی خواهند\nشد پس آن دو زاویه با هم یا مساوی اند یا مکمل یک\nدیگر اند-\nسر ۱۷۲\nا´\nه´\nح´\nا\nه\nح","chars":505,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00204.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/adl0946/204","canvas":"https://afghanpress.org/iiif/adl0946/canvas/204","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."}}