If the radius of the incircle of a triangle with sides 5k, 6k and 5k is 6, then k is equal to

JEE Main Mathematics question

Not in JEE syllabus

If the radius of the incircle of a triangle with sides , and is 6, then is equal to

Answer: (B)

Semi-perimeter: . Heron:

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Question ID VK-008469