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Solve for a
How do you solve this​

Solve for a How do you solve this​-example-1
User Mikolaytis
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2 Answers

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Answer: The answer is A. 2.2. Hoped this helps! :)

Explanation:

User Alphanumeric
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5 votes

Answer:

2.2

Explanation:

To find a, you use a formula called the law of cosines:

The law of cosines tells us:

a^2 = b^2 + c^2 - 2bc cosA

So lets plug in the values:

a^2 = 4^2 + 3^2 -2(4)(3)cos(32)

a^2 = 25-24cos32

a^2 is roughly equal to 4.97

therefore a roughly equal to 2.2

User Timetrax
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