In a ΔABC, D is the midpoint of side AC such that BD = 12AC. Show that ∠ABC is a right angle.

In a ΔABC, D is the midpoint of side AC such that BD = 12AC. Show tha

1.	In a ΔABC, D is the midpoint of side AC such that BD = 12AC. Show that ∠ABC is a right angle.
Answer» In a ΔABC, D is the midpoint of side AC such that BD = $\frac{1}{2}$ AC. Show that ∠ABC is a right angle.