{"book":"adl0946","page":39,"text":"غلط است.\n\nم\nك\nل\nج\nد\nش ۴۱\n\n۴۱ - تبصره - اگر گونیا صحیح باشد مسئله ذیل را حل\nکرده ایم :\nاز نقطهٔ واقعهٔ برخطی نیم خطی بران عمود\nکرده ایم :\n۴۲ - اندازه زوایا - در این جا نیز همان طور که قطعه خط را\nاندازه گرفته ایم عمل می کنیم - یعنی آن را بازاویه که برای واحد\nزاویه انتخاب کرده ایم می سنجیم.\nچون سابقاً اجزاء زاویه را فهمیدیم پس می توانیم فرض کنیم\nکه یک زاویهٔ قائمه به ۹۰ قسمت مساوی تقسیم شده آن قسمت\nها دو بدو باهم مجاور هستند اگرچه نمی توانیم عملاً چنین شکلی را رسم","chars":465,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00039.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/adl0946/39","canvas":"https://afghanpress.org/iiif/adl0946/canvas/39","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."}}