document.write( "Question 229565: HELLP!!!!!!!!!! How do you find the height of a similiar triangle???? I have not seen this since 1985!!! One triangle in C A B with the ht being 5 ft and angle C B being 9 ft. The other triangle is F D E with F E being 11 ft.I need to determine the Height of FG from DEF.I would like to try and figure it out myself but I don't know how to and the book for this class (HA-HA) is useless.There are no examples in this book!I have been up all night trying to figure this out!!! \n" ); document.write( "
Algebra.Com's Answer #170170 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How do you find the height of a similiar triangle???? I have not seen this since 1985!!! One triangle in C A B with the ht being 5 ft and angle C B being 9 ft. The other triangle is F D E with F E being 11 ft.I need to determine the Height of FG from DEF.I would like to try and figure it out myself but I don't know how to and the book for this class (HA-HA) is useless.There are no examples in this book!I have been up all night trying to figure this out!!! \n" ); document.write( "----------- \n" ); document.write( "I cannot tell from your description what the corresponding sides are. \n" ); document.write( "--- \n" ); document.write( "If you said ABC is similar to DEF I would know that AB corresponds to DE \n" ); document.write( "and BC corresponds to EF because of the position in the description. \n" ); document.write( "Then if you said that AB was 5 and DE was 8 and you asked what EF is \n" ); document.write( "if BC is 7, I would set up a proportion and solve for EF as follows: \n" ); document.write( "EF/BC = DE/AB \n" ); document.write( "EF/7 = 8/5 \n" ); document.write( "EF = 7(8/5) \n" ); document.write( "EF = 56/5 = 11 1/5 or 11.2 \n" ); document.write( "=============================== \n" ); document.write( "The heights would also follow the same proportion. \n" ); document.write( "=============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |