document.write( "Question 963214: find the area of triangle ABC to the nearest whole number if A=23 degrees, B=95 degrees, and b=15 \n" ); document.write( "

Algebra.Com's Answer #588694 by Fombitz(32388) $\"\"$ $\"About$

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$\"A%2BB%2BC=180\"$
\n" ); document.write( " $\"23%2B95%2BC=180\"$
\n" ); document.write( " $\"C=62\"$
\n" ); document.write( "From the law of sines,
\n" ); document.write( " $\"a%2Fsin%28A%29=b%2Fsin%28B%29=c%2Fsin%28C%29\"$
\n" ); document.write( " $\"a%2Fsin%2823%29=15%2Fsin%2895%29\"$
\n" ); document.write( " $\"a=5.88\"$
\n" ); document.write( " $\"c%2Fsin%2862%29=15%2Fsin%2895%29\"$
\n" ); document.write( " $\"c=13.29\"$
\n" ); document.write( "Using Heron's formula,
\n" ); document.write( " $\"s=%28a%2Bb%2Bc%29%2F2=17.087\"$
\n" ); document.write( " $\"A=sqrt%28s%28s-a%29%28s-b%29%28s-c%29%29\"$
\n" ); document.write( " $\"A=sqrt%2817.087%2811.205%29%282.085%29%283.795%29%29\"$
\n" ); document.write( " $\"A=38.92\"$
\n" ); document.write( " $\"A=39\"$ \n" ); document.write( "

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