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Please help I need it ASAP, also needs to be rounded to the nearest 10th

Please help I need it ASAP, also needs to be rounded to the nearest 10th-example-1
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User Comecme
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1 Answer

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Answer: AB = 16.4

Explanation:

You can use tan x = opposite/adjacent

tan 38 = AB/21

21 tan 38 = AB

AB = 16.4

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User Eightgate
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