If in triangle ABC, with usual notations A2 C2= B2 and 2s is the perimeter of the triangle, then the value of s is

MHT CET 2025 Mathematics question

Not in JEE syllabus

If in triangle ABC, with usual notations and 2s is the perimeter of the triangle, then the value of s is

Answer: (A)

Use the half-angle formulas , and . Then . Setting this equal to and

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Question ID VK-102889