{"book":"adl0290","page":362,"text":"۳۵۵\n\nو طول آن خط که آن را در دو مثلث تقسیم\nمیکند ۳۱۶ گز است و طول عمود هائیکه بر آن\nاز دو گوشه مقابل کشیده شده اند ۴۵ گز و\n۵۴ گز پس مساحت قطعه مذکور چه قدر\nخواهد بود *\n(۲) ا ب ج د س یک مخمس است - طول\nا ج = ۱۱۵ گز و طول عمود هائیکه بر ا ج\nاز ب و د کشیده شده اند ۴۸ گز و ۶۰ گز\nو طول عمود از س بر ا د = ۵۴ گز پس\nمساحت مخمس معلوم کنید ؟\n(۳) وتر ذو اربعة الاضلاع ۳۲۰ گز و عمود هائیکه\nبر آن از زوایای مقابل واقع شده اند\n۱۲۰ گز و ۱۵۰ گز است پس مساحت آن\nچه قدر خواهد بود ؟\n\nامثله متفرقه - نمبر ۹۰\n\n(۱) تلفظ ۱۰،۳۰۲۰،۷۲۰۰۲۱ چیست ؟\n(۲) مفرد کنید :-\n۸۷۶۱ - ۸۴ ۳ + ۲۰۱ - ۹۶۴۵ - ۶۶۷۷۴ +","chars":572,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00362.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/362","canvas":"https://afghanpress.org/iiif/adl0290/canvas/362","source":"https://afghanistandl.nyu.edu/books/adl0290/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0290_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."}}