Question
Download Solution PDFThe angle of elevation of the top of the building from a point on the ground, which is 30 m away from the base of the building, is 30°. The height of the building is:
This question was previously asked in
Bihar STET TGT (Social Science) Official Paper-I (Held On: 08 Sept, 2023 Shift 5)
Answer (Detailed Solution Below)
Option 2 : 30/\(\sqrt{3}\) m
Free Tests
View all Free tests >
Bihar STET Paper 1 Mathematics Full Test 1
14 K Users
150 Questions
150 Marks
150 Mins
Detailed Solution
Download Solution PDFFormula Used:tan (angle of elevation) = Perpendicular / Base
Calculation:
⇒ tan (30°) = h/30
⇒ h = 30 × (1/√3) [tan 30° = 1/√3]
⇒ h = 30 / √3
∴ The height of the building is 30 / √3 meters.
Latest Bihar STET Updates
Last updated on Jan 29, 2025
-> The Bihar STET 2025 Notification will be released soon.
-> The written exam will consist of Paper-I and Paper-II of 150 marks each.
-> The candidates should go through the Bihar STET selection process to have an idea of the selection procedure in detail.
-> For revision and practice for the exam, solve Bihar STET Previous Year Papers.
India’s #1 Learning Platform
Start Complete Exam Preparation
Daily Live MasterClasses
Practice Question Bank
Mock Tests & Quizzes
Trusted by 7.2 Crore+ Students