Published by:
CGP EDU Academic Team
Published on: August 12, 2026
In triangle ABC, ∠ B = 
, then 
is equal to -
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
= 
((s – a) 2 + (s – b) 2 + (s – c) 2 + s 2 )
= 
(4.s 2 – 2.s (a + b + c) + a 2 + b 2 + c 2 )
= 
(a 2 + b 2 + c 2 )
= 
= 
= 
.
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