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3 years ago

9

Can someone help me figure out what is JK and LK

1 answer:

vivado [14]3 years ago

3 0

Answer:

JK = 10.524

LK = 21.065

Step-by-step explanation:

all angles in a triangle add up to 180, so angle K = 42.

law of sines states that $\frac{A}{sin(a)} =\frac{B}{sin(b)} = \frac{C}{sin(c)}$ , where capital letters are side lengths and lower case letters are the angles opposite their corresponding capital letter sides.

in this case:

$\frac{15}{sin(42)} = \frac{JK}{sin(28)}$ -----> JK = $\frac{15sin(28)}{sin(42)}$ = 10.524

and

$\frac{15}{sin(42)} = \frac{LK}{sin(110)}$ -----> LK = $\frac{15sin(110)}{sin(42)}$ = 21.065

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