{"book":"adl0131","page":57,"text":"۴۶\nکتاب\n\nجذر ۵۷۶√ = ۲۴ انچ\nپس ضلع دیگر ۲۴ انچ جواب مطلوب است\n۶۲ - قاعده دفعه (۶۰) را بدو صورت بیان کرده ام تعلم\nظاهر ابدفعه (۵۵) تعلق دارد و تعلق صورت دو منقسم باست\nعمل قاعده مذکور على العموم آسانی پیدا میشود و عمل کم کردن می افتد\n۶۳ - بهر دو تمثیلات دفعه (۶۱) جذر پوره پوره بعمل می آمد پس طواح\nضلاع نیز صحیح و درست معلوم گردید مگر اکثر مراتب جذر پوره پورا فر\nنمی آید پس باید که چند مراتبه های مکسور عشاریه موافق خدت ما\nبعمل آورده شود.\n۶۴ تمثیلات -\n(۱) و تر یک فٹ و انچ و یک ضلع ۱۴ انچ اند پس ضلع دیگر را در بانه ۲۵\nمجموعه و تر و ضلع معلوم ۲۱+ ۱۴ = ۳۵ انچ\nحاصل تفریق و تر و ضلع معلوم ۲۱ - ۱۴ = ۷ انچ\n[image: right triangle with labels]\nت فٹ ۱۴=۱-۲\n۱۵۶ ۲۵\nضلع\n(۲) ۱۲ انچ\nفضل\nجذ","chars":676,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00057.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/57","canvas":"https://afghanpress.org/iiif/adl0131/canvas/57","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."}}