Question
Download Solution PDFΔABC-এর ক্ষেত্রফল 44 বর্গসেন্টিমিটার। যদি BC-এর মধ্যবিন্দু D হয় এবং AB-এর মধ্যবিন্দু E হয়, তাহলে ΔBDE-এর ক্ষেত্রফল (বর্গসেন্টিমিটারে) কত হবে ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFযদি BC-এর মধ্যবিন্দু D হয় এবং AB-এর মধ্যবিন্দু E হয়, তাহলে
DE ∥ AC
ধরি, BC = 2 একক এবং BD = 1 একক
যেহেতু আমরা জানি,
ΔBDE-এর ক্ষেত্রফল / ΔBCA-এর ক্ষেত্রফল = (BD/BC)2
⇒ ΔBDE-এর ক্ষেত্রফল / 44 = (1/2)2
∴ ΔBDE-এর ক্ষেত্রফল = (1/4) × 44 = 11 বর্গসেন্টিমিটার
Last updated on Jun 13, 2025
-> The SSC CGL Notification 2025 has been released on 9th June 2025 on the official website at ssc.gov.in.
-> The SSC CGL exam registration process is now open and will continue till 4th July 2025, so candidates must fill out the SSC CGL Application Form 2025 before the deadline.
-> This year, the Staff Selection Commission (SSC) has announced approximately 14,582 vacancies for various Group B and C posts across government departments.
-> The SSC CGL Tier 1 exam is scheduled to take place from 13th to 30th August 2025.
-> Aspirants should visit ssc.gov.in 2025 regularly for updates and ensure timely submission of the CGL exam form.
-> Candidates can refer to the CGL syllabus for a better understanding of the exam structure and pattern.
-> The CGL Eligibility is a bachelor’s degree in any discipline.
-> Candidates selected through the SSC CGL exam will receive an attractive salary. Learn more about the SSC CGL Salary Structure.
-> Attempt SSC CGL Free English Mock Test and SSC CGL Current Affairs Mock Test.
-> Candidates should also use the SSC CGL previous year papers for a good revision.