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Mathematics 12 Online
OpenStudy (sleepyjess):

Check my work? Solving triangle

OpenStudy (sleepyjess):

A = 32 degrees a = 19 b = 14

OpenStudy (sleepyjess):

\(\sf\dfrac{sin(32)}{19}~=~\dfrac{sin(B)}{14}\)

OpenStudy (sleepyjess):

\(\sf\dfrac{14~sin(32)}{19}~=~sin(b)\)

OpenStudy (freckles):

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OpenStudy (sleepyjess):

\(\sf arcsin(\dfrac{14~sin(32)}{19})~=~B\)

OpenStudy (sleepyjess):

B = 23 degrees

OpenStudy (freckles):

Cool.

OpenStudy (sleepyjess):

\(\sf\dfrac{14}{sin(23)}~=~\dfrac {c}{sin(125)}\)

OpenStudy (sleepyjess):

\(\sf\dfrac{14~sin(125)}{sin(23)}~=~c\)

OpenStudy (sleepyjess):

c = 29.4

OpenStudy (freckles):

Seems great to me. Also another triangle doesn't exist because. B'=180-23=157 and B'+A is over 180 deg So only the triangle you found exists.

OpenStudy (sleepyjess):

Thanks! :)

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