व्हाट इज द फार्मूला ऑफ पैरामीटर व्हाट इज द फार्मूला ऑफ
पैरामीटर
व्हाट इज द फार्मूला ऑफ पैरामीटर
.ABC is a triangle in which D,E and F are the mid points of AB,AC and BC respectively.
AD=3cm ,AE=5cm ,BD=4cm ,CE=4cm ,CF=2cm ,BF= 2.5cm ,then find a pair of parallel lines and
hence their lengths.