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Please help I dont understand
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Please help I dont understand

Please help I dont understand-example-1
User Ahll
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1 Answer

2 votes

Answer:

2.1

Explanation:

By the Law of Cosines,

a² = 5² + 6² - 2(5)(6)cos(20°)

a = sqrt(5² + 6² - 2(5)(6)cos(20°)), which is about 2.1

Please help I dont understand-example-1
User AntonB
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