document.write( "Question 388964: Two mirrors Ml and M2 are placed in contact at an angle of 100°. A ray is incident at 45 ° to the normal to M1.
\n" ); document.write( "In what direction does the light leave M 2
\n" ); document.write( "why the solution is 35
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Algebra.Com's Answer #275422 by richard1234(7193)\"\" \"About 
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If you draw the mirrors M1 and M2, as well as the ray approaching at 45 degrees and its reflection, the reflection will hit M2 and create a triangle with angles 100, 45, x. It is clear that x = 35 degrees. \n" ); document.write( "
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