Δ ABC - Δ DEF यदि Δ ABC तथा ΔDEF की परिमिति क्रमशः 25 सेमी और 15 सेमी हो तथा BC = 9 सेमी हो तो EF = ? - - Δ ABC - Δ DEF Yadi Δ ABC Tatha ΔDEF Ki परिमिति Kramash: 25 CM Aur 15 CM Ho Tatha BC = 9 CM Ho To EF = ? Maths in hindi, triangles 5.4 CM question answers in hindi pdf 7.2 CM questions in hindi, Know About 3.6 CM Maths online test Maths notes in hindi quiz book 6 CM