document.write( "Question 216717: a triangular shelf is to be placed in a curio cabinet whose sides meet at an angle of 105 degrees.if the edges of the shelf along the sides measure 56 centimeters and 65 centimeters,how long is the outside edge of the shelf?round to the nearest tenth. \n" ); document.write( "

Algebra.Com's Answer #264223 by rfadrogane(214) $\"\"$ $\"About$

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a triangular shelf is to be placed in a curio cabinet whose sides meet at an angle of 105 degrees.if the edges of the shelf along the sides measure 56 centimeters and 65 centimeters,how long is the outside edge of the shelf?round to the nearest tenth.\r
\n" ); document.write( "\n" ); document.write( "Use Cosine Law.\r
\n" ); document.write( "\n" ); document.write( "c^2 = a^2 + b^2 - 2ab cos (included angle)
\n" ); document.write( "c = sq. rt.[56^2 + 65^2 - 2(56)(65)cos 105 deg.]
\n" ); document.write( "c = 96.2-cm ---answer. \n" ); document.write( "

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