PDF chapter test TRY NOW

On a beach with palm trees, check whether the lines between trees \(DE\) and \(BC\) are parallel if the sides of the trees \(AD = 4 \ m\), \(DB = 3 \ m\), \(EC = 210 \ m\) and \(AE = 322 \ m\).
 
beach.svg
 
The trees \(DE\) and \(BC\) are .