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How do i find BC?

Khan Academy

How do i find BC? Khan Academy-example-1
User JD Audi
by
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1 Answer

6 votes

Answer:

using cos=adjacent/hypotenuse

Explanation:

in this case cos(60)=x/4√3

x=cos(60)*4√3

x=3.46

User Fabian Nicollier
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