$∆ABC$ এর BC বাহুকে D বিন্দু পর্যন্ত বর্ধিত করা হল। $\angle A=60°,\angle B=90°$ হলে ,$\angle ACD$ এর মান--

BUET GTCL Technician গণিত ত্রিভুজের বহিঃস্থ ও অন্তঃস্থ কোণ (Exterior angles and interior angles of a triangle)

BB Bangladesh Bank Assistant Director গণিত ত্রিভুজের বহিঃস্থ ও অন্তঃস্থ কোণ (Exterior angles and interior angles of a triangle)

PSC BPSC MoCA Protocol Officer গণিত ত্রিভুজের বহিঃস্থ ও অন্তঃস্থ কোণ (Exterior angles and interior angles of a triangle)

PSC BPSC Fisheries Survey Officer BCS 32nd BCS Preli - 2012 DPE Primary Head Teacher - 2012 NTRCA 11th NTRCA College - 2014 13th NTRCA - 2016 11th NTRCA - 2014 MoLJPA Sub-Registrar - 2012 MoPA Assistant Director - 2016 DSS Social Service Officer - 2010 Primary Teacher Primary Assistant Teacher - 2018 DIP Assistant Director - 2007 ATEO Primary Education Officer - 2016 DOE Assistant Director/Research Officer - 2007 PTI Instructor - 2016 BD Post Estimator - 2018 SBC – Upper Division Assistant - 2019 DTE – Accountant - 2021 MOR – Office Sohayak - 2021 CAAB – Senior Officer - 2021 DG Food – SI of Food - 2021 DG Food – UDA - 2021 BRDB URDO - 2022 Pre-Primary Teacher - 2013 PMG Khulna – Mail Operator - 2023 BR – Wayman - 2023 LGED – Work Assistant - 2023 BREB – Meter Reader-cum-Messenger - 2023 BREB – Assistant Junior Engineer - 2023 PLI East Zone – PLI Accountant - 2023 BR – Ticket Collector - 2024 18th NTRCA - 2024 PGCB – Junior Accounts Assistant - 2024 GrameenBank Grameen Officer - 2025 BAEC – Computer Typist - 2025 Primary Assistant Teacher - 2026 BPSC Fisheries Survey Officer - 2026 গণিত ত্রিভুজের বহিঃস্থ ও অন্তঃস্থ কোণ (Exterior angles and interior angles of a triangle)

Primary Teacher Primary Assistant Teacher BCS 32nd BCS Preli - 2012 DPE Primary Head Teacher - 2012 NTRCA 11th NTRCA College - 2014 13th NTRCA - 2016 11th NTRCA - 2014 PSC MoLJPA Sub-Registrar - 2012 MoPA Assistant Director - 2016 DSS Social Service Officer - 2010 Primary Assistant Teacher - 2018 DIP Assistant Director - 2007 ATEO Primary Education Officer - 2016 DOE Assistant Director/Research Officer - 2007 PTI Instructor - 2016 BD Post Estimator - 2018 SBC – Upper Division Assistant - 2019 DTE – Accountant - 2021 MOR – Office Sohayak - 2021 CAAB – Senior Officer - 2021 DG Food – SI of Food - 2021 DG Food – UDA - 2021 BRDB URDO - 2022 Pre-Primary Teacher - 2013 PMG Khulna – Mail Operator - 2023 BR – Wayman - 2023 LGED – Work Assistant - 2023 BREB – Meter Reader-cum-Messenger - 2023 BREB – Assistant Junior Engineer - 2023 PLI East Zone – PLI Accountant - 2023 BR – Ticket Collector - 2024 18th NTRCA - 2024 PGCB – Junior Accounts Assistant - 2024 GrameenBank Grameen Officer - 2025 BAEC – Computer Typist - 2025 Primary Assistant Teacher - 2026 BPSC Fisheries Survey Officer - 2026 গণিত ত্রিভুজের বহিঃস্থ ও অন্তঃস্থ কোণ (Exterior angles and interior angles of a triangle)

PSC FSCD – Station Officer (Non Cadre) গণিত ত্রিভুজের বহিঃস্থ ও অন্তঃস্থ কোণ (Exterior angles and interior angles of a triangle)