{"book":"adl0131","page":180,"text":"کتاب ۱۶۹ مساحت\n\n(۳۹) در اضلاع یک مثلث نسبت ۱۵ و ۱۲ و ۱۳ است و مجموعه اضلاع\n۵۰ گزست پس رقبه مثلث مذکور را دریافت کنید-\n\n(۴۰) در اضلاع یک مثلث نسبت ۱۳ و ۱۴ و ۱۵ است و مجموعه اضلاع\n۴۰ گزست پس رقبه مثلث مذکور را دریافت کنید-\n\n(۴۱) سقف یک مکان بشکل سلامی ساخته شده است و عرض\nمکان مذکور ۲۷ فت است و سلامی مذکور از زمین ۴۳ فت بلند است\nو عمودی فاصله حجه سقف مذکور ۲۳ فت است پس دریافت کنید\nکه در سفید کردن مکان مذکور بحساب یک آنه ۹ پائی فی مربع گز\nچقدر اخراجات خواهد شد-\n\nاضلاع مثلث ها که در ذیل اند قطر دائره ہائی گرد مثلث ہائی ذیل را\nمعلوم کنید-\n\n(۴۲) ۵۳ و ۲۸ و ۶۸ (۴۳) ۱۳ و ۱۲۵ و ۹۹\n(۴۴) ۱۲۳ و ۱۲۲ و ۴۹ (۴۵) ۲۶ و ۴۲ و ۱۶۱","chars":615,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00180.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/180","canvas":"https://afghanpress.org/iiif/adl0131/canvas/180","source":"https://afghanistandl.nyu.edu/books/adl0131/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0131_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."}}