Published by:
CGP EDU Academic Team
Published on: August 14, 2026
O is the circumcentre of the triangle ABC and R 1 , R 2 , R 3 are the radii of the circumcircles of the triangles OBC, OCA and OAB respectively. Then 
is equal to-
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
We know that R = 
Δ 1 = Area of Δ OBC
[ Δ 2 = Area of Δ OCA, Δ 3 = area of Δ OAB]
R 1 = 
⇒ 
= 
Similarly, 
= 
, 
= 
∴ 
+ 
+ 
= 
( Δ 1 + Δ 2 + Δ 3 )
= 
= 
= 
.
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