SSC
Quantitative Aptitude
Geometry
Question Bank
Triangles and Their Properties (I)
question_answer
\[\Delta \,ABC\]is an isosceles triangle and \[\overline{AB}=\overline{AC}=2a\] unit, \[\overline{BC}=a\] unit. Draw \[\overline{AD}\bot \overline{BC}\]and find the length of \[\overline{AD}.\]