document.write( "Question 1123748: in isosceles triangle, the number of degrees in the vertical angle is to the number of degrees in each base angle as 10:9. Find vertical angle. \n" ); document.write( "
Algebra.Com's Answer #740280 by Alex.33(110)\"\" \"About 
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Vertical Angle(v)/Base Angle(b)=10/9
\n" ); document.write( "b=9v/10
\n" ); document.write( "v+2b=180.
\n" ); document.write( "solve for v: v=450/7 deg.=64.29 deg(approximately).
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