document.write( "Question 12090: what is the height of an equilateral triangle whose sides are each 18cm long? \n" ); document.write( "
Algebra.Com's Answer #6134 by Pieter(35)![]() ![]() ![]() You can put this solution on YOUR website! hi,\r \n" ); document.write( "\n" ); document.write( "when you apply some goniometrics it is very simple! \n" ); document.write( "All you have to do is cut the triangle into 2 pieces, two traingles with one angle of 90°. In one of these triangles you can apply simple goniometry:\r \n" ); document.write( "\n" ); document.write( "h=18*cos(60°)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "greetings \n" ); document.write( " |