{"book":"adl0938","page":524,"text":"۵۱۷\nطول شطرنجی × عرض شطرنجی = رقبه فرش اطاق .\nطول شطرنجی = رقبه فرش اطاق ÷ عرض شطرنجی .\nیا عرض شطرنجی = رقبه فرش اطاق ÷ طول شطرنجی .\nمثال ۔ طول یک اطاق ۵ گز عرض ۱۰ فت میباشد، معلوم کنید که بر\nفرش آن شطرنجی که عرض آن ۲ فت ۶ اینچ باشد چند گز بکار خواهد شد.\nرقبه فرش اطاق = ۵ گز × ۱۰ فت = ۱۵ فت × ۱۰ فت = ۱۵۰ مربع فت\nعرض شطرنجی = ۱/۲ ۲ فت = ۵/۲ فت .\nطول شطرنجی = ۱۵۰ ÷ ۵/۲ = ۱۵۰ × ۲/۵ = ۶۰ فت = ۲۰ گز\nصحت این را بذریعه شکل ذیل واضح نمائید .\nچونکه عرض اطاق ۱۰ فت میباشد، لہٰذا اگر ۴ عدد شطرنجی را که هر شطرنجی\n۲ فت ۶ اینچ عریض باشد پہلو به پہلو هموار کنند پس بر جمله عرض فرش هموار خواهد شد\nلاکن هر تکه شطرنجی ۱۵ فت طویل باشد .\nطول شطرنجی = ۱۵ × ۴ = ۶۰ فت = ۲۰ گز\nچسپاندن کاغذ بر دیوارہای اطاق\nرقبه که بران کاغذ چسپانده میشود ، رقبه چهار دیوار ہای اطاق میباشند","chars":755,"image":"https://storage.googleapis.com/adl-page-images/adl0938/00524.jpg","first_page":1,"last_page":719,"title":"ʻIlm al-taʻalīm عالم التعليم","permalink":"https://afghanpress.org/book/adl0938/524","canvas":"https://afghanpress.org/iiif/adl0938/canvas/524","source":"https://afghanistandl.nyu.edu/books/adl0938/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0938_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."}}