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Nadusha1986 [10]

4 years ago

11

I need yo help B, on dis question

1 answer:

Anna71 [15]4 years ago

8 0

For this case we can use the law of the sine to solve the problem.
We have then:
$5 / sine (68) = 5 / sine (x)
$
From here, we clear the value of x.
We have then:
$sine (x) = (5/5) * (sine (68))
$
Rewriting we have:
$sine (x) = (1) * (sine (68))

sine (x) = sine (68)

x = arcsine (sine (68))

x = 68$
Answer:
The angle R is given by:
x = 68 degrees
option B

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