document.write( "Question 1089135: ΔABC is a right triangle , with ∠C being the right angle.m∠A=29°, b=8, find a.
\n" );
document.write( "a. 14.4 b. 4.4 c. 3.9 \n" );
document.write( "
Algebra.Com's Answer #703472 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Draw out the triangle\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The known side (b = 8) and the unknown side (side 'a') are legs of the right triangle.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "We will use the tangent function.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "tan(angle) = opposite/hypotenuse \n" ); document.write( "tan(A) = a/b \n" ); document.write( "tan(29) = a/8 \n" ); document.write( "8*tan(29) = a \n" ); document.write( "a = 8*tan(29) \n" ); document.write( "a = 4.43447241162216 \n" ); document.write( "a = 4.4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Therefore side 'a' is roughly 4.4 units long\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |