Math, asked by mrjavedkhan1975, 2 months ago

AABC में, यदि AB = 6/3 सेमी AC = 12
सेमी और BC = 6 सेमी हो, तो LA का माप
कितना होगा ?*

Answers

Answered by peeyush22k

1

Answer:

30

Step-by-step explanation:

cosФ= ab²+ac²-bc²/2ab×ac

=12²+6√3²-6²/2×12×6

cosФ=√3/2

Ф=30

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