{"book":"adl0946","page":32,"text":"۲۵\n\nثانی رامی خوانند مثلاً در س ۲۵ میتوان بگوئیم زاویه ا ه ج و ج ه د\nاگر زاویه به تنهائی رسم شده ممکن است (س ۳۰) آن را فقط\nبحرف راس تبیین نمود ولی در س ۲۹ چهار زاویه داریم که یک راس\nمشترک دارند بنا بر این ممکن نیست هیچیک از آنها را به حرف ه\nبخوانیم.\n\n۳۳ - زوایای مساویه - دو زاویه در صورتی مساوی هستند\nکه بتوان آنها\nرا بر یک دیگر\nمنطبق نمود س ۳۱\nاگر کاغذ نازکی\n\nس ۳۲\n\nروی زاویه اَ هَ دَ گذاشته آن زاویه را روی کاغذ نازک\nرسم کنیم بعد آن را در روی زاویه ا ه د قرار دهیم بقسمی که نقطه\nهَ روی نقطه ه و ضلع اَ هَ بر روی ضلع ا ه و ضلع هَ دَ بر روی\nضلع ه د واقع گردد آن وقت دو زاویه اَ هَ دَ و ا ه د با یکدیگر\nمساویند درینجا بهیچ وجه لازم نیست که نیم خط هَ اَ با نیم خط ه ا و ان\n\nله دیک ه یک د یک","chars":689,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00032.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/adl0946/32","canvas":"https://afghanpress.org/iiif/adl0946/canvas/32","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."}}