{"book":"adl0131","page":53,"text":"کتاب ۴۲ مساحت\nپس جواب مطلوب یعنی وتر = ۲۰ انچ\n۵۷ – در مثال نمبر ۲ یک ضلع مثلث در پیمانه فت نشان دادند\nو ضلع دیگر در پیمانه انچ - قبل از عمل سوال فت را انچ کردیم تا که هر دو\nمثلث مذکور بار قم های یکجنس تعبیر باشند پس ضروری است\nکه در علم مساحت پیشتر از عمل قاعده باید که طولهای سوالات را غور\nنمائید و اختیار دارید که طولهای سوالات را در فت تعبیر میکنید یا\nدر انچ گز میل وغیره مگر اینقسم نباید که یک طول را بایک قسم\nقسم پیمانه تعبیر کنید و طول دیگر را با دیگر قسم پیمانه بلکه کل امو\nبیک قسم پیمانه تعبیر کنید.\n۵۸ - بهر دو تمثیلات دفعه (۵۶) جذر پوره پوره بعمل می آید -\nپس طول وتر نیز صحیح و درست معلوم گردید مگر اکثر دوا ۲\nجذر پوره پوره بعمل نمی آید باید در حالتیکه جذر پوره پوره در عمل نم ۲\nچند مرتبه مکسوره عشاریه موافق ضرورت بعمل آورده شود - مربع","chars":745,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00053.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/53","canvas":"https://afghanpress.org/iiif/adl0131/canvas/53","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."}}