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21-02-2020
Mathematics

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in the right triangle shown, <B=60° and AB=18. How long is AC?

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21-02-2020

Answer:

18√3

Step-by-step explanation:

tan Ф = opposite/adjacent

tanФ = AB/AC

tan 60 = AC/AB

Tan 60 =√3 AB=18

√3=AC/18

AC=18√3

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