{"book":"adl0131","page":63,"text":"مساحت\n۵۲\nکتاب\n\nپس حاصل جذر ضلع دیگر مثلث مذکور مطلوب خواهد بود - یا آنکه\nجذر حاصل ضرب مجموعه و فرق و تر و ضلع معلوم ضلع دیگر مثلث\nمذکور مطلوب خواهد بود -\n(۳) وقتیکه مجموعه یا فرق و تر و یک ضلع مثلث و نیز ضلع دیگران\nمعلوم باشد پس قاعده معلوم کردن و تر در ذیل است\nقاعده\nمربع ضلع معلوم را به مجموعه یا فرق معلوم تقسیم کنید و خارج قسمته\nبا فرق یا مجموعه معلومه جمع کرده بر ۲ تقسیم کنید خارج قسمته\nو تر مذکور جواب مطلوب خواهد بود -\n(۴) وقتیکه یک ضلع مثلث متساوی الاضلاع معلوم باشد پر\nقاعده معلوم کردن ارتفاع مثلث مذکور در ذیل است -\nقاعده\nضلع معلوم را در ۳/۴۶ یا ۸۶۶/ ضرب بدهید حاصلضرب ارته\nمعلوم\nق\nاز\nپر\nوز\nرد\nفو\nاز\nنص\nجن","chars":616,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00063.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/63","canvas":"https://afghanpress.org/iiif/adl0131/canvas/63","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."}}