document.write( "Question 391653: A stick 2 m long is placed vertically at point B. The top of the stick is line with the top of a tree as seen from point A, which is 3 m from the stick and 30 m from the tree. How tall is the tree? \n" ); document.write( "

Algebra.Com's Answer #278028 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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A stick 2 m long is placed vertically at point B.
\n" ); document.write( " The top of the stick is line with the top of a tree as seen from point A,
\n" ); document.write( " which is 3 m from the stick and 30 m from the tree.
\n" ); document.write( ": How tall is the tree?
\n" ); document.write( ":
\n" ); document.write( "let t = height of the tree
\n" ); document.write( ":
\n" ); document.write( "Using the properties of similar right triangles:
\n" ); document.write( " $\"2%2Ft\"$ = $\"3%2F30\"$
\n" ); document.write( "Cross multiply
\n" ); document.write( "3t = 2(30)
\n" ); document.write( "3t = 60
\n" ); document.write( "t = 20 m is the tree \n" ); document.write( "

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