mt137896
08.01.2020 •
Mathematics
35 points: trigonometry
find each side marked with a letter. all lengths are in centimetres.
show the working since i know the answers.
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Ответ:
Find Y using the law of cosines:
cos(angle) = adjacent leg / hypotenuse
cos(20) = 11/y
y = 11/ cos(20)
y = 11.706 ( Round answer as needed)
Find X using the law of sines:
Sin(angle) = opposite leg / hypotenuse
Sin(35) = 11.706 / X
X = 11.706 / sin(35)
X = 20.4088 ( Round answer as needed)
Ответ:
may be incorrect and if it is i'm so sorry ):