সমবাহু ত্রিভুজের বাহুর দৈর্ঘ্য 'a' হলে উহার ক্ষেত্রফল কত ?

Updated: 8 hours ago
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  • a2
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  • a2
PSC DSS Social Service Officer DPE Primary Head Teacher - 2009 BBS JSAO - 2014 Primary Teacher Primary Assistant Teacher - 2018 BCS 10th BCS Preli - 2011 12th BCS Preli - 2012 38th BCS Preli - 2017 MoWCA Upazila Women Affairs Officer - 2016 MoPA Assistant Director - 2016 MoHFW Assistant Engineer - 2016 MoPA Administrative Officer - 2016 UCB UCB MTO - 2013 MoE, MoRTB, MoHPW SAE (Civil) - 2015 NTRCA 13th NTRCA - 2016 12th NTRCA - 2015 BPSC Assistant Director - 2006 DSS Social Service Officer - 2010 10th NTRCA - 2014 11th NTRCA College - 2014 10th NTRCA College - 2014 8th NTRCA College - 2011 6th NTRCA - 2010 Pre-Primary Teacher - 2013 Pre-Primary Teacher - 2014 14th NTRCA - 2017 14th NTRCA College - 2017 ATEO Primary Education Officer - 2016 Secondary Teacher Govt Secondary Teacher - 2001 BJS 9th BJS Preli - 2014 DNC Assistant Director - 2013 Agrani Bank Agrani Senior Officer - 2013 MDB Midland Asst. Officer - 2015 BREB – Assistant Enforcement Coordinator - 2019 MOFA – Superintendent - 2019 CCI&E – Office Assistant - 2020 BBS – Statistical Assistant - 2020 BBS – Thana Statistician - 2020 CAAB – Medical Officer / Aerodrome Assistant - 2021 MOFA – Personal Officer - 2022 BD Post, Khulna Office Sohayak - 2022 LGED – Computer Typist - 2023 BSCIC – Promotion Officer - 2023 BR – Wayman - 2023 BUET CPGCBL – Sub-Assistant Engineer - 2023 BPSC – District Sports Officer - 2023 EGCB – Assistant Engineer - 2024 BR – Booking Assistant - 2024 PGCB – Junior Accounts Assistant - 2024 DMLC – Lecturer, Demonstrator & Junior Teacher - 2025 CS Brahmanbaria – Health Assistant - 2025 ATEO - 2025 BPSC – AD - 2025 DNC – Office Assistant - 2025 DLRS – Peshkar - 2025 CS Cox’s Bazar Health Assistant - 2025 ACC Sub Assistant Director - 2025 MOD Junior Teacher - 2021 50th BCS Preli - 2026 গণিত 2010 সমবাহু ত্রিভুজের ক্ষেত্রফল
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ব্যাখ্যাঃ

সমবাহু ত্রিভুজ ABC - এর প্রত্যেক বাহুর দৈর্ঘ্য = a একক।
A বিন্দু থেকে BC - এর উপর AD লম্ব আঁকি।
তাহলে, BD = BC =  AD2 = AB2 - BD2 = a2 - a2 = a2xmlns = "http://www.w3.org/1998/Math/MathML"> a
AD = a
সমবাহু ABC - এর ক্ষেত্রফল = ×a×a বর্গ একক
= a2বর্গ একক।

সমবাহু ত্রিভুজ :

মনে করি, ABC সমবাহু ত্রিভুজের প্রত্যেক বাহুর দৈর্ঘ্য a

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