CDS 2013 PYQ with Answer — If bisectors BI and CI of angles B and C meet at I, then ∠BIC equals

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Atlas Essay Optional Vistaar

UPSC CDSCombined Defence Services Overview

Test Series

Daily Quiz
Mock Tests
All-India Test

Study

Syllabus
PYQs
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Practice

Progress

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Rankings
Results

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Exit to Mains

Overview Daily Quiz Mock Tests All-India PYQs Practice

CDS 2013 · Elementary Mathematics (CDS-II)Q80

Back to the full 2013 paper

2013 · Q80

If bisectors BI and CI of angles B and C meet at I, then ∠BIC equals

Elementary MathematicsGeometry

A2A
B90°+A/2
C90°−A/2
D90°+A

Explanation

Incentre formula. Answer B.

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