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16-01-2017
Mathematics

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find the unknown length x in the right triangle to the nearest tenth.

find the unknown length x in the right triangle to the nearest tenth class=

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fifi1621 fifi1621

16-01-2017

tan (39) = x / 15
x = 15 tan (39)
x = 12.1

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16-01-2017

use sine
sin39°=x/15
15(sin39°)=x
x=9.4

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