Question

In a ∆ABC , AD is the bisector of angle A , meeting side BC at D then if AD = 5.6cm , BC=6 cm and BD= 3.2 cm ,find AC

Answer 1

CD=6-3.2=2.8

CD=2.8

AC^2+AD^2

=(6.5)^2+(2.8)^2

=31.36+7.84

=39.2

AC^2=39.2

=6.260