SOLUTION: A={{{ 68 }}} a= ? B= ? b={{{ 8 }}} C= ? c={{{ 5 }}} Determine C A.) {{{ 31.38 }}} B.) {{{ 32.92 }}} C.) {{{ 33.12 }}} D.) {{{ 37.02 }}} Thank you.
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-> SOLUTION: A={{{ 68 }}} a= ? B= ? b={{{ 8 }}} C= ? c={{{ 5 }}} Determine C A.) {{{ 31.38 }}} B.) {{{ 32.92 }}} C.) {{{ 33.12 }}} D.) {{{ 37.02 }}} Thank you.
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Question 1069329
:
A=
a= ?
B= ? b=
C= ? c=
Determine C
A.)
B.)
C.)
D.)
Thank you.
Answer by
Boreal(15235)
(
Show Source
):
You can
put this solution on YOUR website!
a^2=b^2+c^2-2bc cos A
=64+25-2(40) *0.3746=89-29.97=59.03
sqrt(59.03)=7.68
Now use law sines
sin 68/7.68=sinC/5
sin C=.6034
Take arc sin both sides: C=37.11
I will choose D.
