document.write( "Question 407378: if triangle abc is similar to traingle zxy, the measure of angle a is 50 and the measure of angle c is 30, what is the measure of angle x? \n" ); document.write( "

Algebra.Com's Answer #287193 by jim_thompson5910(35256) $\"\"$ $\"About$

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The measure of angle b is 180-(a+c) = 180-(50+30) = 180-80 = 100 (remember that all 3 angles in a triangle add to 180 degrees)\r
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\n" ); document.write( "\n" ); document.write( "Now recall that similar triangles have equal corresponding angles. Since angle b corresponds to angle x (draw a picture if you can't see this), this means that the measure of angle x is 100 degrees.\r
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