Question
Download Solution PDFΔABC में, DE || BC और \( {AD \ {} \over DB} = {4 \ {} \over 5}\) है, यदि DE = 12 cm है, BC की लंबाई ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFप्रयुक्त संकल्पना:
दिए गए चित्र के अनुसार, ΔABC में, यदि DE ∥ BC है, तब AD/AB = DE/BC
गणना:
दी गई संकल्पना के अनुसार,
AD/AB = DE/BC
⇒ 4/(4 + 5) = 12/BC
⇒ BC = (9 × 12)/4
⇒ BC = 27
∴ सही उत्तर 27 है
Last updated on Jul 16, 2025
-> 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.
-> The Bihar Sakshamta Pariksha Admit Card 2025 for 3rd phase is out on its official website.