ত্রিভুজের তিন বাহু দেওয়া আছে :

মনে করি, △ABC এর BC = a, CA = b এবং AB = c । এর পরিসীমা 2s = a + b + c l AD ⊥ BC আঁকি।
ধরি, BD = x তাহলে, CD = a - x
△ABD এবং △ACD সমকোণী।

আবার,


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Law Ministry Sub-Registrar-2016
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DNS Assistant Director-2009
CBHC CHCP-2018
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BREB – Assistant Enforcement Coordinator-2019
BFSA – Various Posts-2019
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DTE – Head Assistant / Accountant / Computer Operator-2021
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MRA – Assistant Director-2023
FSCD – Firefighter-2023
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ত্রিভুজের তিন বাহু দেওয়া থাকলে ক্ষেত্রফল
পিএসসি ও অন্যান্য নিয়োগ পরীক্ষা
স্বরাষ্ট্র মন্ত্রণালয় - ফায়ার সার্ভিস ও সিভিল ডিফেন্স অধিদপ্তর - স্টেশন অফিসার (নন ক্যাডার)
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24th BCS Preli-2003
DIP Assistant Director-2014
NTRCA
14th NTRCA -2017
BJS
4th BJS Preli-2009
MoLJPA Assistant Secretary (Drafting)-2001
MoFA Administrative Officer-2004
UCB
UCB Officer-2010
MoWCA Upazila Women Affairs Officer-2016
Law Ministry Sub-Registrar-2016
RAKUB
RAKUB Officer (Cash)-2010
BAFL
Alfalah MTO-2005
BRDB Officer-2012
REB Assistant Secretary/Assistant Director (Admin)-2013
DG Food SI Food-2012
BRDB URDO-2012
Secondary Teacher
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31st BCS Preli-2011
DNS Assistant Director-2009
CBHC CHCP-2018
BMET Instructor (TTC)-2018
Rupali Bank
Rupali Officer-2018
Sonali Bank
Sonali Senior Officer-2018
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Primary Assistant Teacher-2019
NTRCA
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BREB – Assistant Enforcement Coordinator-2019
BFSA – Various Posts-2019
JBC – Upper Division Assistant-2021
NSI – Wireless Operator and Accountant cum-Cashier-2021
DTE – Head Assistant / Accountant / Computer Operator-2021
TMED – Office Assistant cum-Computer Typist-2021
TMED – Various Posts-2021
OCAG – Auditor-2021
EED – Office Sohayak-2021
Combined Bank
Combined Bank Officer-2021
BREB – Assistant Enforcement Coordinator-2021
CGA – Auditor-2022
Biman – Ground Service Assistant-2022
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FSCD Station Officer-2022
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CBHC CHCP-2022
DLS Laboratory Technician-2023
DGHS – Medical Technician-2023
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MRA – Assistant Director-2023
FSCD – Firefighter-2023
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ECS – Driver / Cleaner-2025
EED – SAE (Civil)-2025
IBBL
IBBL Officer-2017
CAAB – Security Supervisor-2025
Combined Bank Officer-2025
BJSC Office Assistant-2026
PMG Chattogram Postman-2026
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MoIB Assistant Information Officer-2026
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MoLJPA Assistant Secretary (Drafting)-2001
MoFA Administrative Officer-2004
UCB
UCB Officer-2010
MoWCA Upazila Women Affairs Officer-2016
Law Ministry Sub-Registrar-2016
RAKUB
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BRDB Officer-2012
REB Assistant Secretary/Assistant Director (Admin)-2013
DG Food SI Food-2012
BRDB URDO-2012
Secondary Teacher
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31st BCS Preli-2011
DNS Assistant Director-2009
CBHC CHCP-2018
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Rupali Bank
Rupali Officer-2018
Sonali Bank
Sonali Senior Officer-2018
Sonali Senior Officer-2018
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Primary Assistant Teacher-2019
NTRCA
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BREB – Assistant Enforcement Coordinator-2019
BFSA – Various Posts-2019
JBC – Upper Division Assistant-2021
NSI – Wireless Operator and Accountant cum-Cashier-2021
DTE – Head Assistant / Accountant / Computer Operator-2021
TMED – Office Assistant cum-Computer Typist-2021
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OCAG – Auditor-2021
EED – Office Sohayak-2021
Combined Bank
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BREB – Assistant Enforcement Coordinator-2021
CGA – Auditor-2022
Biman – Ground Service Assistant-2022
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CBHC CHCP-2022
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MRA – Assistant Director-2023
FSCD – Firefighter-2023
Prisons – Jail Warder & Female Jail Warder-2024
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Biman – Traffic Helper-2024
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EED – SAE (Civil)-2025
CAAB – Security Supervisor-2025
FSCD – Station Officer (Non Cadre)-2025
Combined Bank Officer-2025
BJSC Office Assistant-2026
PMG Chattogram Postman-2026
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BSCIC Technical Officer-2026
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ত্রিভুজের তিন বাহু দেওয়া থাকলে ক্ষেত্রফল
পিএসসি ও অন্যান্য নিয়োগ পরীক্ষা
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BCS
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NTRCA
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MoLJPA Assistant Secretary (Drafting)-2001
MoFA Administrative Officer-2004
UCB
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MoWCA Upazila Women Affairs Officer-2016
Law Ministry Sub-Registrar-2016
RAKUB
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BRDB Officer-2012
REB Assistant Secretary/Assistant Director (Admin)-2013
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BRDB URDO-2012
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BMET Instructor (TTC)-2018
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Rupali Officer-2018
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Sonali Senior Officer-2018
Sonali Senior Officer-2018
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Primary Assistant Teacher-2019
NTRCA
16th NTRCA College-2019
BREB – Assistant Enforcement Coordinator-2019
BFSA – Various Posts-2019
JBC – Upper Division Assistant-2021
NSI – Wireless Operator and Accountant cum-Cashier-2021
DTE – Head Assistant / Accountant / Computer Operator-2021
TMED – Office Assistant cum-Computer Typist-2021
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EED – Office Sohayak-2021
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BREB – Assistant Enforcement Coordinator-2021
CGA – Auditor-2022
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FSCD Station Officer-2022
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DGHS – Medical Technician-2023
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KB
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Prisons – Jail Warder & Female Jail Warder-2024
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ECS – Driver / Cleaner-2025
IBBL
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FSCD – Station Officer (Non Cadre)-2025
Combined Bank Officer-2025
BJSC Office Assistant-2026
PMG Chattogram Postman-2026
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ওয়ান ব্যাংক পিএলসি
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BCS
24th BCS Preli-2003
PSC
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NTRCA
14th NTRCA -2017
BJS
4th BJS Preli-2009
MoLJPA Assistant Secretary (Drafting)-2001
MoFA Administrative Officer-2004
UCB
UCB Officer-2010
MoWCA Upazila Women Affairs Officer-2016
Law Ministry Sub-Registrar-2016
RAKUB
RAKUB Officer (Cash)-2010
BAFL
Alfalah MTO-2005
BRDB Officer-2012
REB Assistant Secretary/Assistant Director (Admin)-2013
DG Food SI Food-2012
BRDB URDO-2012
Secondary Teacher
Govt Secondary Teacher-2011
31st BCS Preli-2011
DNS Assistant Director-2009
CBHC CHCP-2018
BMET Instructor (TTC)-2018
Rupali Bank
Rupali Officer-2018
Sonali Bank
Sonali Senior Officer-2018
Sonali Senior Officer-2018
Primary Teacher
Primary Assistant Teacher-2019
NTRCA
16th NTRCA College-2019
BREB – Assistant Enforcement Coordinator-2019
BFSA – Various Posts-2019
JBC – Upper Division Assistant-2021
NSI – Wireless Operator and Accountant cum-Cashier-2021
DTE – Head Assistant / Accountant / Computer Operator-2021
TMED – Office Assistant cum-Computer Typist-2021
TMED – Various Posts-2021
OCAG – Auditor-2021
EED – Office Sohayak-2021
Combined Bank
Combined Bank Officer-2021
BREB – Assistant Enforcement Coordinator-2021
CGA – Auditor-2022
Biman – Ground Service Assistant-2022
MOR Guard Grade-2-2022
FSCD Station Officer-2022
15th NTRCA -2019
CBHC CHCP-2022
DLS Laboratory Technician-2023
DGHS – Medical Technician-2023
PKB
PKB Officer-2023
KB
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MRA – Assistant Director-2023
FSCD – Firefighter-2023
Prisons – Jail Warder & Female Jail Warder-2024
BUET
Petrobangla – Sub-Assistant Engineer-2024
Biman – Traffic Helper-2024
GrameenBank
Grameen Officer-2025
ECS – Driver / Cleaner-2025
EED – SAE (Civil)-2025
IBBL
IBBL Officer-2017
CAAB – Security Supervisor-2025
FSCD – Station Officer (Non Cadre)-2025
Combined Bank Officer-2025
BJSC Office Assistant-2026
PMG Chattogram Postman-2026
Bangladesh Post Khulna Multiple Posts-2026
MoIB Assistant Information Officer-2026
8th NTRCA Assistant Head-2026
BSCIC Technical Officer-2026
GTCL Technician-2023
গণিত
ত্রিভুজের তিন বাহু দেওয়া থাকলে ক্ষেত্রফল
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