3 years ago

Solve for x. please?

Mathematics

1 answer:

Alex3 years ago

6 0

X=13 since KM and FK are equal proven by the statement above we know we can do 6x+6=84

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anzhelika [568]

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Use Sine rule.

$\frac{ac}{ \sin(b) } = \frac{ab}{ \sin(c) } \\ \frac{ac}{ \sin(90) } = \frac{10}{ \sin(42) } \\ ac \sin(42) = 10 \sin(90) \\ ac = \frac{10 \sin(90) }{ \sin(42) } \\ ac = 14.9 \: units \: (3s.f)$

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