Mathematics · Properties of Triangles
In a triangle ABC, if AD is the internal bisector of angle A with length d, then which of the following is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1d = (bc / (b + c)) * cos(A/2)
- 2d = (2bc / (b + c)) * cos(A/2)✓
- 3d = ((b + c) / bc) * cos(A/2)
- 4d = ((b + c) / 2bc) * cos(A/2)
Correct answer
d = (2bc / (b + c)) * cos(A/2)
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Properties of Triangles MCQs →Want more practice questions on Properties of Triangles?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Properties of Triangles