document.write( "Question 1006050: in a triangle ABC, XY is parallel to BC ;AX=9cm , XB=4.5cm and BC =18cm find : (i) AY/YC
\n" ); document.write( " (กก)YC/AC
\n" ); document.write( " (กกก)XY \n" ); document.write( "
Algebra.Com's Answer #622193 by dkppathak(439)\"\" \"About 
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in a triangle ABC, XY is parallel to BC ;AX=9cm , XB=4.5cm and BC =18cm find : (i) AY/YC
\n" ); document.write( " (กก)YC/AC
\n" ); document.write( " (กกก)XY
\n" ); document.write( "solution
\n" ); document.write( "By Basic proportion theorem (BPT)
\n" ); document.write( "AX/XB=AY/YC
\n" ); document.write( "9/4.5=AY/YC
\n" ); document.write( "2/1=Ay/YC
\n" ); document.write( "(ii)yc/AC=XB/AB corollary BPT
\n" ); document.write( "YC/AC=4.5/13.5
\n" ); document.write( "YC/AC=1/3
\n" ); document.write( "(iii)Ax/AB=XY/BC corollary BPT
\n" ); document.write( "9/13.5=xy/BC
\n" ); document.write( "2/3=XY/18
\n" ); document.write( "3XY=36
\n" ); document.write( "XY=12 \n" ); document.write( "
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