{"book":"adl0946","page":229,"text":"۲۲۲\n۲۵۹- مسئله- اثر مثلثی دو ضلع ويك زاویه\nمعلوم است آن را رسم كنید -\nزاویه مفروضه ممکن است بین دو ضلع یا مقابل بیکی\nاز آنها باشد این حالت اخیر را در آخر این فصل بیان\nمی کنیم -\nپس فرض می کنیم ۲ و ۳ دو ضلع مفروض و ۱ زاویۀ\nمفروضه باشد -\nزاویۀ مانند ل ا م مساوی با زاویه ۱ رسم می کنیم (ش ۱۸۷)\nل\nو از ضلع ا ل بقدر\nضلع ۲ و از ضلع\nا م نیز بقدر ضلع ۳ ع\nجدا نموده دو نقطہ\nد و ج را بهم وصل م ج\nمیکنیم مثلث ا د ج ۳\nمثلث مطلوب است ۱ ۸۷ ش ۲","chars":428,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00229.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/adl0946/229","canvas":"https://afghanpress.org/iiif/adl0946/canvas/229","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."}}