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kap26 [50]
3 years ago
6

I NEED HELP PLEASE IT WOULD REALLY MEAN AOT !!!! NO ZOOMS OR LINKS!!!!

Mathematics
1 answer:
Reika [66]3 years ago
5 0

Answer:

20.78

Step-by-step explanation:

sin a = perpendicular/ hypotenuse

where a is the base angle

here a = 60

sin 60 = 18/ x

since,

\sin(60)   =  \ \frac{ \sqrt{3} }{2}

\frac{ \sqrt{3} }{2}  =  \frac{18}{x}

√3 x = 36

x = 36/ √3

x = 36/ 1.732

x = 20.78

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