{"book":"adl0946","page":90,"text":"۸۳\n\nمتسع کثیرالاضلاعی است که ۹ ضلع داشته باشد.\nمعشر کثیرالاضلاعی است که ۱۰ ضلع داشته باشد.\nازان ببعد را بواسطه عده اضلاع معین میکنند. مثلاً\nمیگوئید کثیرالاضلاع پانزده ضلعی و کثیرالاضلاع سی و\nهشت ضلعی و غیره.\n\n۲- اشکال مساویه\n\n۱۰۷- سابقاً تعریف قطعات خط مساویه و زوایای\nمساویه و قسی مساویه را کرده ایم تعریف ما در همه جایکی\nبوده است حال هم بطور کلی میگوئیم:\nدو شکل در صورتی مساوی هستند که بتوان\nآنها را بر روی یکدیگر منطبق نمود.\n۱۰۸- سابقاً بواسطۀ کاغذ نازک شکلی مساوی شکل دیگر رسم\nکرده بودیم وقتیکه مهری را مثلاً ده دفعه بروی کاغذ میزنیم\nاشکال مساویه رسم می کنیم زیرا که بواسطه مهر آنها را برسم\n\nبروی سطح","chars":604,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00090.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/adl0946/90","canvas":"https://afghanpress.org/iiif/adl0946/canvas/90","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."}}