Find the value of a. Round your answer to the nearest tenth.

Santeau asked Feb 23, 2022

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Santeau asked Feb 23, 2022

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6 votes

Answer:

Polly do you know the formula for law of Cosines?

find it if you don't

Explanation:

a = sqrt( b^2 +c^2 - 2bcCos(A) )

a = sqrt( 100 + 62.41 -34.197)

a = sqrt(128.213)

a = 11.323

a = 11.3 ( to the nearest tenth )

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