document.write( "Question 606299: the area of triangle PQR is 30. If q=10 and r=8, find all possible measures of angle P? \n" ); document.write( "
Algebra.Com's Answer #382012 by vksarvepalli(154)\"\" \"About 
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The area of a triangle ABC with sides a,b,c is given by the formula,\r
\n" ); document.write( "\n" ); document.write( "Area= 1/2*a*b*SinC = 1/2*b*c*SinA = 1/2*a*c*SinB\r
\n" ); document.write( "\n" ); document.write( "so here we have , 1/2*10*8*SinP = 30\r
\n" ); document.write( "\n" ); document.write( " => 40 SinP = 30
\n" ); document.write( " => SinP = 3/4
\n" ); document.write( " => P = \"%28Sin%29%5E%28-1%29%283%2F4%29\"
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\n" ); document.write( " So P = 48.59 degrees (approx)
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