Question 1111728
{{{x=r=q}}}


{{{2x+4=9}}}



{{{x=5/2=2&1/2}}}



You can use Law Of Cosines to find measure of angle at P.

{{{6.25+6.25-2*6.25*cos(P)=16}}}
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{{{cos(P)=-0.28}}}
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