SOLUTION: If given: A={{{ 68 }}} a = ? B = ? b = {{{ 8 }}} C = ? c ={{{ 5 }}} What is the value of a? A.) {{{ 7.68 }}} B.) {{{ 9.31 }}} C.) {{{ 11.22 }}} D.) {{{ 13.18 }}}

SOLUTION: If given: A={{{ 68 }}} a = ? B = ? b = {{{ 8 }}} C = ? c ={{{ 5 }}} What is the value of a? A.) {{{ 7.68 }}} B.) {{{ 9.31 }}} C.) {{{ 11.22 }}} D.) {{{ 13.18 }}}

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Question 1069311: If given:
A= a = ?
B = ? b =
C = ? c =
What is the value of a?
A.)
B.)
C.)
D.)
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Law of Cosines
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
A.
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