{"book":"adl0946","page":233,"text":"۲۲۶\nدر دست بی فائده است و اگر آنها را بطور نامعین انتخاب کنیم\nممکن است مسئله غیر ممکن شود زیرا که با سه جزء آن می توانیم مثلث\nرا رسم کنیم و ممکن است جزء چهارم مفروض جزئی از مثلث\nمرسوم نباشد .\nنیز واضح است که مفروض بودن سه زاویه برای ترسیم\nمثلث کافی نیست زیرا که از معلوم بودن دوتای آنها سیمی\nخودش بدست می آید پس لازم است که اقلاً یکی از سه جزء\nمفروض ضلع باشد پس .\n۲۶۴ خلاصه - سه جزء که همه زاویه نباشند مثلثی\nرا تعیین می کنند و ممکن نیست مثلثی رسم کرد که بیش\nاز سه جزء آن مفروض باشد وحتماً باید اقلاً\nیکی از ان سه جزء ضلع باشد .\n۲۶۵ - شرائط امکان مسئله ۲۶۱ - برای آنکه دو دائره\nدر نقطه ایک دیگر را قطع کنند ( س ۱۸۸ ) لازم و کافی است\nکه فاصله دو مرکز آنها بین مجموع و تفاضل دو شعاع","chars":680,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00233.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/adl0946/233","canvas":"https://afghanpress.org/iiif/adl0946/canvas/233","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."}}