Question
Download Solution PDFনীচের বৃত্তে, জ্যা AB প্রসারিত হয়ে D বিন্দুতে DC স্পর্শকের সাথে মিলিত হয়েছে। AB = 12 সেমি এবং DC = 8 সেমি হলে, BD-এর দৈর্ঘ্য নির্ণয় করুন।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFজ্যা স্পর্শক উপপাদ্য অনুসারে,
⇒ CD2 = AD x BD
⇒ 8 x 8 = (12 + BD) x BD
⇒ 12BD + BD2 = 64
⇒ BD2 + 16BD - 4BD - 64 = 0
⇒ BD(BD + 16) - 4(BD + 16) = 0
∴ BD = 4 সেমি
Last updated on Jun 26, 2025
-> RRB ALP Exam Date OUT. Railway Recruitment Board has scheduled the RRB ALP Computer-based exam for 15th July 2025. Candidates can check out the Exam schedule PDF in the article.
-> Railway Recruitment Board activated the RRB ALP application form 2025 correction link, candidates can make the correction in the application form till 31st May 2025.
-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.
-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.
-> The official RRB ALP Recruitment 2025 provides an overview of the vacancy, exam date, selection process, eligibility criteria and many more.
->The candidates must have passed 10th with ITI or Diploma to be eligible for this post.
->The RRB Assistant Loco Pilot selection process comprises CBT I, CBT II, Computer Based Aptitude Test (CBAT), Document Verification, and Medical Examination.
-> This year, lakhs of aspiring candidates will take part in the recruitment process for this opportunity in Indian Railways.
-> Serious aspirants should prepare for the exam with RRB ALP Previous Year Papers.
-> Attempt RRB ALP GK & Reasoning Free Mock Tests and RRB ALP Current Affairs Free Mock Tests here