document.write( "Question 1152046: What are the angle measure of the triangle if the measures are 21, 7 sqrt 3, and 14 sqrt 3? \n" ); document.write( "

Algebra.Com's Answer #773954 by ikleyn(52790) $\"\"$ $\"About$

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\n" ); document.write( "What are the angle measures of the triangle? the $\"highlight%28cross%28angles%29%29\"$ sides are 21, 7 sqrt 3 and 14 sqrt 3
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\n" ); document.write( "\n" ); document.write( " Please notice on how I edited your post in order for to make sense.\r
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document.write( "Notice that\r\n" );
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document.write( "     +  = 49*3 + 441 = 147 + 441 = 588= 3*196 =  = .\r\n" );
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document.write( "Thus the triangle with the side lengths of 21,   and    is a right angled triangle\r\n" );
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document.write( "with the legs  21  and    and the hypotenuse of  .\r\n" );
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document.write( "Also,  the leg     is half length of the hypotenuse   .\r\n" );
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document.write( "Therefore, the given triangle is  (30°, 60°, 90°)- triangle.\r\n" );
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document.write( "Its angles are 30°,  60°  and  90°.\r\n" );
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